JP2020030856A - Sales data processing device and program - Google Patents

Abstract

To output a price of a reserved commodity properly before and after change of a tax rate.SOLUTION: A sales data processing device of an embodiment includes: selection means; reading means; and display output means. The selection means selects a reception date when a consumer receives a reserved commodity by cash exchange. The reading means reads a price of the reserved commodity from a first reservation commodity master applied for reception before a date of change of a tax rate if the reception date is before the date of change of the tax rate, and reads the price of the reserved commodity from a second reservation commodity master applied for reception after the date of change of the tax rate if the reception date is after the date of the change of the tax rate. The display output means displays and outputs the price read from the first or second reservation commodity master by the reading means.SELECTED DRAWING: Figure 6

Description

  An embodiment of the present invention relates to a sales data processing device and a program.

  2. Description of the Related Art Conventionally, in convenience stores and the like, reservation sales of tickets, books, CDs, DVDs, lunches, and the like are performed. In reservation sales, reservations are generally accepted at a POS (Point Of Sale) terminal of a cashier counter, a reservation slip describing the name of the reserved product and the price of the product is issued and handed to the customer. For example, the POS terminal displays and outputs product information such as a product name and a tax-included price of the product on a selection screen for selecting a reserved product, and prints out a reservation slip indicating that a reservation has been received for the selected product.

  In such reservation sales, a cash-on-delivery system is often used, and customers pay for the goods when they receive the goods. Therefore, when changing the tax rate such as the consumption tax increase, it is necessary to switch the applied tax rate depending on whether the receiving date is before or after the tax rate change date. That is, if the receiving date is before the tax rate change, the tax-included price applying the old tax rate is displayed, and if the receiving date is after the tax rate changing date, it is necessary to display the tax-included price applying the new tax rate. There is also a demand to change the price setting before and after the change in the tax rate, and in such a case, it is desired to be able to output the price appropriately.

  The problem to be solved by the present invention is to provide a sales data processing device and a program capable of appropriately outputting the price of a reserved product before and after a tax rate change.

  The sales data processing device according to the embodiment includes a selection unit, a reading unit, and a display output unit. The selecting means selects a receiving date for receiving the reserved product by cash on delivery. If the receiving date is before the tax rate change date, the reading means reads the price of the reserved product from the first reserved product master applied to the receipt before the tax rate change date, and the receiving date is after the tax rate change date. If so, the price of the reserved product is read from the second reserved product master applied to the receipt after the tax rate change date. The display output unit displays and outputs the price read from the first reserved product master or the second reserved product master by the reading unit.

FIG. 1 is a schematic configuration diagram of a reservation sales system according to the present embodiment. FIG. 2 is a block diagram illustrating a hardware configuration of the head office server. FIG. 3 is a diagram illustrating an example of a data configuration of a reserved product master (old tax rate). FIG. 4 is a diagram illustrating an example of a data configuration of a reserved product master (new tax rate). FIG. 5 is a block diagram illustrating a functional configuration of the POS terminal. FIG. 6 is a flowchart illustrating a procedure of a reservation process executed by the POS terminal. FIG. 7 is a diagram illustrating an example of the selection screen when the receiving date is before the tax rate change date. FIG. 8 is a diagram illustrating an example of a reservation reception screen displayed on the display for a clerk. FIG. 9 is a diagram illustrating an example of a reservation reception screen displayed on the customer display. FIG. 10 is a diagram illustrating a print example of a reservation slip when the receiving date is before the change of the tax rate. FIG. 11 is a diagram illustrating an example of the selection screen when the receiving date is after the tax rate change date. FIG. 12 is a diagram illustrating an example of a reservation reception screen displayed on the display for a clerk. FIG. 13 is a diagram illustrating an example of a reservation reception screen displayed on the customer display. FIG. 14 is a diagram illustrating a print example of a reservation slip when the receiving date is after the tax rate change date. FIG. 15 is a diagram illustrating an example of a screen displaying a warning regarding a change in tax rate.

  FIG. 1 is a schematic configuration diagram of a reservation sales system 100 according to the present embodiment. The store server 4 is a server device provided in a store (for example, stores a to c). The POS terminal 1 is a sales data processing device that registers sales data in the store. In addition, the POS terminal 1 receives a reservation application for a reserved product and transmits information on reservation registration to the headquarters server 9. The headquarters server 9 is a server that controls sales, inventory management, reservation management, and the like at a plurality of stores. Although FIG. 1 shows an example in which a plurality of POS terminals 1 are connected to the store server 4 and used, the number of POS terminals 1 used in the store is not particularly limited, and one POS terminal 1 may be used. Good. In the following, the same components shown in a plurality of drawings are denoted by the same reference numerals, and duplicate description may be omitted.

  Next, the headquarters server 9 will be described. FIG. 2 is a block diagram illustrating a hardware configuration of the head office server 9. The head office server 9 includes a control unit 91 having a computer configuration including a CPU, a ROM, a RAM, and the like. A keyboard 95, a display 96, a printer 97, and a hard disk drive (HDD) 98 are connected to the control unit 91 via a bus 92 and an I / O device control unit 94.

  The control unit 91 performs data communication with the store server 4 via the communication I / F (Interface) 93 and the dedicated line 8. The HDD 98 stores a general product master 981, a reserved product master (old tax rate) 982, a reserved product master (new tax rate) 983, a reserved sales file 984, and the like, in addition to various control programs for operating the CPU of the control unit 91. I have. Hereinafter, the reserved product master (old tax rate) 982 and the reserved product master (new tax rate) 983 are referred to as a reserved product master 982 and a reserved product master 983, respectively.

  The general product master 981 is a master file that stores product information on general products that are not reserved products. The general product master 981 stores product information such as a product name, a product price, and a product image of each general product in association with a product code.

  The reserved product master 982 and the reserved product master 983 are master files that store product information on reserved products. FIG. 3 is a diagram illustrating a data configuration example of the reserved product master 982, and FIG. 4 is a diagram illustrating a data configuration example of the reserved product master 983. As illustrated in FIGS. 3 and 4, the reserved product master 982 and the reserved product master 983 include a product code, a product name, a tax-included price, a tax classification, a receiving date at which the product can be received, and a storage location of a product image. Is stored. As the tax classification applied to the product, the old tax rate (for example, 5%) is registered in the reserved product master 982, and the new tax rate (for example, 8%) is registered in the reserved product master 983.

  The general product master 981, the reserved product master 982, and the reserved product master 983 are mainly managed in the head office server 9. The headquarters server 9 transmits the latest general merchandise master 981 and the reserved merchandise masters 982 and 983 to the POS terminal 1 via the store server 4 at predetermined time intervals (for example, once a day) or at the time of updating data. .

  Next, the POS terminal 1 will be described. FIG. 5 is a block diagram illustrating a functional configuration of the POS terminal 1. The POS terminal 1 includes a control unit 11 having a computer configuration including a CPU, a ROM, a RAM, and the like. In addition, a keyboard 15, a scanner 16, a clerk display 17, a customer display 18, a printer 19, and an HDD 20 are connected to the control unit 11 via a bus 12 and an I / O device control unit 14.

  The control unit 11 performs data communication with the store server 4 via the communication I / F 13 and a LAN (Local Area Network) 3 or the like. Various control programs for operating the CPU of the control unit 11 are stored in the HDD 20. Further, the HDD 20 stores the general product master 181, the reserved product master (old tax rate) 182, the reserved product master (new tax rate) 183, etc. downloaded from the head office server 9 as described above.

  As described above, the reserved commodity master 182 (first reserved commodity master) stores the tax-included price and the tax rate of the reserved commodity based on the old tax rate. Further, the reserved commodity master 183 (second reserved commodity master) stores the tax-included price and the tax rate of the reserved commodity based on the new tax rate. Hereinafter, the reserved product master (old tax rate) 182 and the reserved product master (new tax rate) 183 are referred to as a reserved product master 182 and a reserved product master 183, respectively.

  The HDD 20 stores a sales file 184. The sales file 184 stores sales data registered in the POS terminal 1.

  Next, a functional configuration of each unit included in the control unit 11 will be described. The program executed by the POS terminal 1 according to the present embodiment has a module configuration including an input receiving unit 51, a reading unit 52, a registration unit 53, a display control unit 54, and a print control unit 55, as shown in FIG. I have. As actual hardware, the CPU (processor) reads the program of the present embodiment from the storage medium and executes the program, whereby the above-described units are loaded on the main storage device, and the input receiving unit 51, the reading unit 52, the registering unit 53, A display control unit 54 and a print control unit 55 are generated on the main storage device.

  The program executed by the POS terminal 1 according to the present embodiment is provided by being incorporated in the ROM or the HDD 20 in advance. The program executed by the POS terminal 1 of the present embodiment is a file in an installable format or an executable format in a computer such as a CD-ROM, a flexible disk (FD), a CD-R, and a DVD (Digital Versatile Disk). You may comprise so that it may record and provide on the readable recording medium.

  Furthermore, the program executed by the POS terminal 1 according to the present embodiment may be stored on a computer connected to a network such as the Internet and provided by being downloaded via the network. Further, the program executed by the POS terminal 1 of the present embodiment may be provided or distributed via a network such as the Internet.

  The input receiving unit 51 receives various input operations according to input operations on the keyboard 15, the scanner 16, and the like. For example, the input receiving unit 51 receives a selection input of a receipt date of a reserved product. That is, the input receiving unit 51 functions as a selection unit that selects the date of receipt of the pre-order product by cash on delivery.

  The functions of the reading unit 52 and the registration unit 53 will be described separately for the registration of general products that are not reserved products and the registration process of reserved products.

Registration of general merchandise The reading unit 52 reads merchandise information from the general merchandise master 181 based on information received by the input receiving unit 51 for general merchandise that is not a reserved merchandise. The registration unit 53 registers sales data based on the read product information and the like in the sales file 184.

Registration of Reserved Product The reading unit 52 reads the tax-included price of the reserved product from one of the reserved product masters 182 and 183 according to the date of receipt of the reserved product. That is, if the receiving date is before the tax rate change date, the reading unit 52 reads from the reserved product master 182 at least product data including the tax-included price of the reserved product or the old tax rate. In addition, if the receiving date is after the tax rate change date, the reading unit 52 reads from the reserved product master 183 at least product data including the tax-included price of the reserved product or the new tax rate. The registration unit 53 transmits reservation data based on the information and the like received by the input reception unit 51 to the headquarters server 9 and registers the data in the reservation sales file 984.

  The display control unit 54 controls the entire display operation of the clerk display 17 and the customer display 18. For example, the display control unit 54 displays selection screens 61 (FIG. 7) and 62 (FIG. 11) for selecting a reserved product. Note that the display control unit 54 displays the reserved products for each receiving date on the selection screens 61 and 62. Further, the display control unit 54 displays the product information of the product selected on the selection screens 61 and 62, and reserves reception screens 71 (FIG. 8), 81 (FIG. 9), and 72 ( 12) and 82 (FIG. 13) are displayed.

  If the receiving date is before the tax rate change date, the display control unit 54 displays the product data read by the reading unit 52 from the reserved product master 182 at the old tax rate on the selection screen 61 and the reservation receiving screens 71 and 82. If the receiving date is after the tax rate change date, the display control unit 54 displays the product data read by the reading unit 52 from the new tax rate reserved product master 183 on the selection screen 62 and the reservation receiving screens 72 and 82.

  As a result, if the receiving date is before the tax rate change, the tax rate and the tax-included price of the old tax rate are displayed on the respective screens. If the receiving date is after the tax rate change date, the above-mentioned screens display the tax rate of the new tax rate and the tax-included price. Therefore, the operator or the customer can check the tax rate, the tax amount, the total amount, and the like applied to the reserved product.

  The print control unit 55 controls a printing operation of the printer 19, and performs a print process of a receipt and a print process of a reservation slip indicating reservation contents. The print control unit 55 prints out the tax-included price read by the reading unit 52 on the reservation slip. The print control unit 55 prints out the tax rate applied at the time of payment for the reserved product on the reservation slip.

  Next, an example of a processing procedure of a reservation process executed by the POS terminal 1 will be described with reference to FIG. FIG. 6 is a flowchart illustrating a procedure of a reservation process executed by the POS terminal.

  The input receiving unit 51 receives a selection of a product receiving date from the selection screen described above (step S1). The reading unit 52 determines whether or not the receiving date is after the tax rate change date (step S2).

  If the receipt date is before the tax rate change date (step S2: No), the reading unit 52 reads the product data of the reserved product corresponding to the receipt date accepted in step S1, from the reserved product master 182 of the old tax rate. (Step S3). Then, the display control unit 54 displays the product data such as the tax-included price of the old tax rate on the selection screen based on the read product data (step S4).

  FIG. 7 is a diagram illustrating an example of the selection screen 61 when the receiving date is before the tax rate change date. On the selection screen 61, the receiving date (desired receiving date) selected in step S1 is displayed. In the screen, the input receiving unit 51 can again receive the selection operation of the receiving date. Upon receiving the change in the receiving date, the display control unit 54 displays the reserved product corresponding to the changed receiving date.

  As shown in FIG. 7, a submenu is displayed on the selection screen 61, and when one of the submenus is selected, a selection button for selecting a reserved product corresponding to the submenu is displayed. FIG. 7 shows an example in which a selection button for lunch A and a selection button for lunch B are displayed. The display control unit 54 displays the product name, the tax-included price, the tax rate, and the like read from the reserved product master 182 at the old tax rate on the selection screen 61 as the product data of the product.

  Next, the input receiving unit 51 receives a selection operation of a product and an input operation of the number on the selection screen 61 (Step S7: Yes). While input is not received (step S7: No), input is waited for. The display control unit 54 displays a reservation reception screen 71 (see FIG. 8) indicating the selected product and the number of reservations on the display 17 for the clerk (step S8). In addition, the display control unit 54 displays the reservation reception screen 81 for the customer (see FIG. 9) on the customer display 18 (step S8).

  FIG. 8 is a diagram illustrating an example of the reservation reception screen 71 displayed on the display 17 for the clerk. On the reservation reception screen 71 for the clerk, the product name, the tax rate, the quantity, the subtotal of the tax-included amount, the total number, and the total amount of the tax-included amount are displayed as the product data of the selected product. Further, a confirmation button 711 for confirming the reservation with the displayed contents is displayed on the reservation reception screen 71. Since the product data is read from the reserved product master 182 at the old tax rate, the reservation receiving screen 71 displays the tax-included amount and the tax rate of the old tax rate.

  FIG. 9 is a diagram illustrating an example of the reservation reception screen 81 displayed on the customer display 18. On the reservation reception screen 81 for the customer, a product image is displayed together with a product name for the selected product. Note that FIG. 9 shows an example in which only the number is added to the product name and displayed, but the screen configuration is not limited to this. For example, each product image may be displayed with a subtotal amount including tax or a tax rate. Further, on the reservation reception screen 81 for the customer, the receiving date and time are displayed as “delivery date and time”. Further, on the reservation reception screen 81 for the customer, the total amount of the tax-included amount is displayed as the total amount of the transaction, and the applied tax rate (old tax rate) is also displayed.

  Then, when the confirmation button 711 is selected on the reservation reception screen 71 for the clerk (see FIG. 8) (step S9: Yes), the input reception unit 51 receives a reservation based on the input data (reservation data) (step S9). S10). The registration unit 53 outputs the reservation data received on the reservation reception screen 71 to the headquarters server 9, and performs a registration process (step S10). While the confirmation button 711 is not selected (step S9: No), the user waits for the selection (step S9). When the reservation registration is completed (step S10), the print controller 55 prints out the reservation slip (see FIG. 10) using the printer 19 (step S11).

  FIG. 10 is a diagram illustrating a print example of the reservation slip 41 when the receiving date is before the change of the tax rate. As shown in FIG. 10, on the reservation slip 41, the date of receipt (delivery date and time), product name, product unit price including tax, total amount, tax rate (old tax rate), total tax amount, and the like are printed. Although FIG. 10 shows an example in which each product is reserved one by one, when a plurality of products are reserved, the number of reservations is also printed.

  On the other hand, when the receiving date is after the tax rate change date (Step S2: Yes), the reading unit 52 reads the product data of the reserved product corresponding to the receiving date received in Step S1 from the reserved product master 183 of the new tax rate. (Step S5). Then, based on the read product data, the display control unit 54 displays product data such as the tax-included price of the new tax rate on the selection screen 62 (see FIG. 11) (step S6).

  FIG. 11 is a diagram illustrating an example of the selection screen 62 when the receiving date is after the tax rate change date. As shown in FIG. 11, the display control unit 54 reads and displays the product data of the product corresponding to the receiving date from the reserved product master 183 of the new tax rate. Therefore, on the selection screen 62, the tax-included price and the tax rate according to the new tax rate are displayed. Other screen configurations are the same as the selection screen 61 in FIG.

  Next, the input receiving unit 51 receives a selection operation of a product and an input operation of the number on the selection screen 62 displayed in step S6 (step S7: Yes). The display control unit 54 displays a reservation reception screen 72 (see FIG. 12) indicating the selected product and the number of reservations on the display 17 for the clerk (step S8). Further, the display control unit 54 displays a reservation reception screen 82 for the customer (see FIG. 13) on the customer display 18 (step S8).

  FIG. 12 is a diagram illustrating an example of the reservation reception screen 72 displayed on the display 17 for the clerk. The display control unit 54, based on the product data read from the reserved product master 183 of the new tax rate, the input data on the selection screen 62, and the like, the product name, tax rate (new tax rate), quantity, subtotal amount (including tax), total number, total Displays the amount (including tax). Other screen configurations are the same as the reservation reception screen 71 of FIG.

  FIG. 13 is a diagram illustrating an example of the reservation reception screen 82 displayed on the customer display 18. The display control unit 54, based on the product data read from the new tax rate reserved product master 183, input data on the selection screen 62 (see FIG. 11), and the like, a product name, a product image, a tax rate (new tax rate), a quantity, and a subtotal amount. (Including tax), total number, total amount (including tax), etc. are displayed. The other screen configuration is the same as the reservation reception screen 81 in FIG.

  Then, when the confirmation button 721 is selected on the clerk reservation reception screen 72 (see FIG. 12) (step S9: Yes), the registration unit 53 receives and registers the reservation in the same manner as described above (step S10). . When the reservation registration is completed, the print control unit 55 prints out the reservation slip 42 (see FIG. 14) by the printer 19 (step S11).

  FIG. 14 is a diagram showing a print example of the reservation slip 42 when the receiving date is after the tax rate change date. As shown in FIG. 14, on the reservation slip 42, a receiving date (delivery date and time), a product name, a product unit price including tax, a total amount, a tax rate (new tax rate), a total of the tax amount, and the like are printed. Other configurations are the same as those of the reservation slip 41 in FIG.

  The display output on the screen and the print output on the reservation slip are not limited to the examples described above. For example, a warning about a change in the tax rate may be issued by screen display or printout.

  FIG. 15 is a diagram illustrating an example of a screen displaying a warning regarding a change in tax rate. For example, in the case of pre-ordering books, CDs, DVDs, etc., the date of receipt is the sales start date of those products, but unlike the receipt of food such as bento, there is little need to receive on the sales start date.

  Therefore, it is common for customers to receive and pay for goods after the date of receipt according to their own convenience. Therefore, there is a case where the goods are received after the tax rate change date even though the receipt date (sales start date) is before the tax rate change. Then, the tax-included amount differs from the amount printed on the reservation slip, and when the tax rate increases, the payment amount increases. In preparation for such a situation, a warning message may be output on the reservation reception screen or the reservation slip to notify the customer of the change in the tax rate.

  In this case, if the receipt date is after the change of the tax rate, the tax-included amount does not change if it is later than the designated receipt date, so that there is no inconsistency in the displayed contents and the printed contents. Therefore, the above-mentioned alert may be issued only for transactions whose receipt date is before the tax rate change date.

  Conventionally, for general products that are not reserved products, the headquarters server 9 updates the general product master 981 at a pace of about once a day. Then, the POS terminal 1 downloads this and updates the general product master 181. Therefore, for general products, when the tax rate is changed, the tax rates of all products may be uniformly changed in the general product master 981 after the tax rate change date. Even if the POS terminal 1 changes the tax rate, the POS terminal 1 may display and print the tax rate and the tax-included amount based on the general product master 181 as before. Therefore, for general products, it is not particularly difficult to change the display output and the print output in accordance with the change in the tax rate.

  On the other hand, for a reserved product to be sold by cash on delivery, the payment is the product receiving date. Therefore, the payment amount (price including tax) changes according to the receiving date. On the other hand, if all the reserved product masters for each receiving date are stored in the POS terminal 1, the memory capacity becomes enormous, which is not economical. As described above, it is difficult to say that it is appropriate to use the same master configuration and processing method as those of conventional general products in order to apply an appropriate tax rate according to the date of receipt of the reserved products.

  Therefore, in this embodiment, instead of preparing a large number of reserved product masters for each date, that is, for each receiving date, only two reserved product masters for the old tax rate and the new tax rate are prepared, and the receiving date and the tax rate change are prepared. The date is compared with the date to select and use the master data. As a result, in the present embodiment, it is possible to save the memory usage for storing the master data when applying and outputting an appropriate tax rate with the tax rate change date interposed.

  Although several embodiments of the present invention have been described, these embodiments are provided by way of example and are not intended to limit the scope of the invention. These new embodiments can be implemented in other various forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and their modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and their equivalents.

  For example, the above embodiment may be applied to other information processing devices such as a kiosk terminal and a self-checkout terminal. Further, the above-described embodiment may be applied to a server that provides a Web page such as a net supermarket.

  In the above description, an example in which the display of the tax-included price and the tax rate is switched has been described, but the present embodiment is not limited to this. That is, in the present embodiment, when it is desired to switch the applied product price before and after the change of the tax rate, regardless of whether the tax is included or excluding tax, the reserved product master of the data reading source can be switched and selected according to the receiving date. .

  Specifically, the first reserved product master stores the product price applied to the receipt before the tax rate change date. The second reserved product master stores the product price applied to the receipt after the tax rate change date. The product price may be a price excluding tax or a price including tax. The reading unit 52 reads the master data from the first reserved product master if the receipt date of the reserved product is before the tax rate change date, and reads the master data from the second reserved product master if the receipt date is after the tax rate change date. Read. As a result, it is possible to switch and output the commodity price before and after the tax rate change on each screen and the reservation slip.

  Further, in the above description, the display output is performed in the POS terminal 1, but the display output destination is not particularly limited. For example, the display data having the above contents may be transmitted to a portable information terminal such as a mobile phone or a smartphone, and the display output may be performed on a display of the terminal. Further, display data indicating the same contents as the reservation slip may be transmitted to the portable information terminal, and the portable information terminal may display and output the data.

  As described above, according to the above embodiment, the master data is read by switching the reserved product master according to the date of receiving the reserved product. Therefore, the price can be switched and output according to the date of receipt, and the price of the reserved product can be appropriately output before and after the tax rate change.

  DESCRIPTION OF SYMBOLS 1 ... POS terminal, 4 ... Store server, 9 ... Head office server, 11 ... Control part, 17 ... Display for clerk, 18 ... Display for customer, 51 ... Input reception part, 52 ... Reading part, 53 ... Registration part, 54 display control unit, 55 print control unit, 61, 62 selection screen, 71, 72, 81, 82, 83 reservation reservation screen, 41, 42 reservation ticket, 100 reservation sales system, 182, 183 Reserved product master.

JP-A-5-143863

The sales data processing device according to the embodiment includes a selection unit that selects a reception date at which the reserved product can be received by cash on delivery, and a date before the tax rate change date if the date on which the reserved product is received is before the tax rate change date. The price of the reserved product is read from the first reserved product master applied to the receipt of the tax, and if the date of receipt is after the tax rate change date, the price of the reserved product is read from the second reserved product master applied to the receipt after the tax rate change date. Reading means for reading the price; and for the pre-ordered product which does not need to be received on the receipt date, the selected receipt date is before the tax rate change date, the date on which the reserved product is received is after the tax rate change date. Print control means for printing out a message indicating that the price will be applied to receipt after the tax rate change date on a reservation slip relating to the reserved product.

Claims (6)

A selection means for selecting a receipt date for receiving the pre-ordered product by cash on delivery,
If the receipt date is before the tax rate change date, read the price of the reserved product from the first reserved product master applied to the receipt before the tax rate change date, if the receipt date is after the tax rate change date, Reading means for reading the price of the reserved product from the second reserved product master applied to the receipt after the tax rate change date;
Display output means for displaying and outputting the price read by the reading means from the first reserved product master or the second reserved product master;
Sales data processing device equipped with. Receiving means for receiving selection of at least one reserved product from the screen;
Print control means for printing out the price read by the reading means for the selected reservation product, on a reservation slip indicating reservation contents,
The sales data processing device according to claim 1, further comprising: The first reserved product master stores a tax-included price of the reserved product based on an old tax rate,
The second reserved product master stores a tax-included price of the reserved product based on a new tax rate,
The display output unit, on a screen for accepting reservation of a reserved product, displays the reserved product for each receipt date, and displays the tax-included price read by the reading unit in association with each reserved product.
The sales data processing device according to claim 1. The first reserved product master further stores the old tax rate, and the second reserved product master further stores the new tax rate,
The reading means reads the old tax rate from the first reserved product master if the receipt date is before the tax rate change date, and reads the new tax rate from the second reserved product master if the receipt date is after the tax rate change date. And load
The display output unit displays and outputs a tax rate applied to the reserved product;
The sales data processing device according to any one of claims 1 to 3.   The sales data processing device according to any one of claims 1 to 4, wherein the display output unit displays and notifies that the price of the reserved product changes after a tax rate change date. Computer in sales data processing equipment,
A selection means for selecting a receipt date for receiving the pre-ordered product by cash on delivery,
If the receipt date is before the tax rate change date, read the price of the reserved product from the first reserved product master applied to the receipt before the tax rate change date, if the receipt date is after the tax rate change date, Reading means for reading the price of the reserved product from the second reserved product master applied to the receipt after the tax rate change date;
Display output means for displaying and outputting the price read by the reading means from the first reserved product master or the second reserved product master;
Program to function as

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