JP2019040611A - 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

  Embodiments described herein relate generally to a sales data processing apparatus and a program.

  Conventionally, at convenience stores and the like, reservation sales of tickets, books, CDs, DVDs, lunch boxes, and the like are performed. In reservation sales, reservation is generally accepted at a point-of-sale (POS) terminal of a cashier counter, and a reservation slip describing the name and price of a reserved product is issued and handed to a 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 a pre-sale, a cash on delivery system is often used, and a customer pays a price when receiving a product. Therefore, when changing the tax rate such as an increase in consumption tax, it is necessary to switch the applicable tax rate depending on whether the receipt date is before or after the tax rate change date. That is, if the receipt date is before the tax rate change date, it is necessary to display the tax-inclusive price to which the old tax rate is applied, and if the receipt date is after the tax rate change date, it is necessary to display the tax-inclusive price to which the new tax rate is applied. In addition, there is a demand to change the price setting before and after the tax rate change, and in such a case, it is desired that the price can be output appropriately.

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

  The sales data processing apparatus according to the embodiment includes a selection unit, a reading unit, and a display output unit. The selecting means selects a receipt date for receiving the reserved product by price exchange. If the receipt 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 receipt 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 means displays and outputs the price read by the reading means from the first reserved product master or the second reserved product master.

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 headquarter server. FIG. 3 is a diagram illustrating a data configuration example of a reserved product master (old tax rate). FIG. 4 is a diagram illustrating a data configuration example of a reserved product master (new tax rate). FIG. 5 is a block diagram showing a functional configuration of the POS terminal. FIG. 6 is a flowchart showing the procedure of the reservation process executed by the POS terminal. FIG. 7 is a diagram showing an example of the selection screen when the receipt 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 the store clerk. FIG. 9 is a diagram showing an example of a reservation acceptance screen displayed on the customer display. FIG. 10 is a diagram showing a print example of a reservation slip when the receipt date is before the tax rate change. FIG. 11 is a diagram illustrating an example of a selection screen when the receipt 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 the store clerk. FIG. 13 is a diagram showing an example of a reservation acceptance screen displayed on the customer display. FIG. 14 is a diagram illustrating a print example of a reservation slip when the receipt date is after the tax rate change date. FIG. 15 is a diagram illustrating an example of a screen that displays an alert regarding a tax rate change.

  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 for registering sales data at the same store. The POS terminal 1 accepts a reservation application for a reserved product and transmits information related to reservation registration to the headquarter server 9. The headquarter server 9 is a server that supervises 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. Good. In addition, below, the same code | symbol is shown about the same structure shown by several drawing, and the overlapping description may be abbreviate | omitted.

  Next, the headquarter server 9 will be described. FIG. 2 is a block diagram showing a hardware configuration of the headquarter server 9. The headquarter 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 an HDD (Hard Disk Drive) 98 are connected to the controller 91 via a bus 92 and an I / O device controller 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. In addition to various control programs for operating the CPU of the control unit 91, 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. Yes. 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 related to general products that are not reserved products. The general merchandise master 981 stores merchandise information such as the merchandise name, merchandise price, and merchandise image of each general merchandise in association with the merchandise code.

  The reserved product master 982 and the reserved product master 983 are master files that store product information related to the reserved product. 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-inclusive price, a tax classification, a date of receipt of the product and a storage location of the product image. The information etc. which are stored are stored. In addition, as a tax classification applied to the product, an old tax rate (for example, 5%) is registered in the reserved product master 982, and a new tax rate (for example, 8%) is registered in the reserved product master 983.

  The general merchandise master 981, the reserved merchandise master 982, and the reserved merchandise master 983 are mainly managed in the headquarter server 9. The headquarter server 9 transmits the latest general merchandise master 981 and 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 when data is updated. .

  Next, the POS terminal 1 will be described. FIG. 5 is a block diagram showing 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. Further, a keyboard 15, a scanner 16, a store clerk display 17, a customer display 18, a printer 19, and an HDD 20 are connected to the controller 11 via a bus 12 and an I / O device controller 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. The HDD 20 stores various control programs for operating the CPU of the control unit 11. 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 headquarter server 9 as described above.

  As described above, the reserved product master 182 (first reserved product master) stores the tax-included price and the tax rate of the reserved product based on the old tax rate. The reserved product master 183 (second reserved product master) stores the tax-included price and the tax rate of the reserved product 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 the reserved product master 182 and the reserved product master 183, respectively.

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

  Next, the functional configuration of each unit included in the control unit 11 will be described. As shown in FIG. 5, the program executed in the POS terminal 1 of this 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. Yes. As actual hardware, a CPU (processor) reads out and executes the program of the present embodiment from a storage medium, so that the above-described units are loaded onto the main storage device, and an input receiving unit 51, a reading unit 52, a registration unit 53, A display control unit 54 and a print control unit 55 are generated on the main storage device.

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

  Furthermore, the program executed by the POS terminal 1 of 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 accepting unit 51 accepts a selection input of a reserved product receipt date. That is, the input reception unit 51 functions as a selection unit that selects a receipt date for receiving a reserved product by cash on delivery.

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

General Product Registration The reading unit 52 reads product information from the general product master 181 based on information received by the input receiving unit 51 for general products that are not reserved products. 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 product data including at least the tax-included price or the old tax rate of the reserved product from the reserved product master 182. Further, if the receiving date is after the tax rate change date, the reading unit 52 reads product data including at least the tax-included price of the reserved product or the new tax rate from the reserved product master 183. The registration unit 53 transmits reservation data based on the information received by the input reception unit 51 to the headquarter server 9 and registers the data in the reservation sales file 984.

  The display control unit 54 controls the entire display operation on 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. The display control unit 54 displays the reserved product for each receipt 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 reservation reception screens 71 (FIG. 8), 81 (FIG. 9), 72 (for obtaining confirmation of reservation reception). 12) and 82 (FIG. 13) are displayed.

  Further, if the receipt 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 of the old tax rate on the selection screen 61 and the reservation reception screens 71 and 82. If the receipt 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 reserved product master 183 having the new tax rate on the selection screen 62 and the reservation reception screens 72 and 82.

  As a result, if the receipt date is before the tax rate change date, the previous tax rate and tax-inclusive price are displayed on each screen. If the receipt date is after the tax rate change date, the above-mentioned screen displays the tax rate and tax-inclusive price of the new tax rate. Therefore, the operator or the customer can check the tax rate, tax amount, total amount, etc. applied to the reserved product.

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

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

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

  When 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 received date received in step S1 from the reserved product master 182 of the old tax rate. (Step S3). And the display control part 54 displays merchandise data, such as a tax-included price of an old tax rate, on a selection screen based on the read merchandise data (step S4).

  FIG. 7 is a diagram showing an example of the selection screen 61 when the receipt date is before the tax rate change date. On the selection screen 61, the receipt date (desired receipt date) selected in step S1 is displayed. In the same screen, the input receiving unit 51 can receive the receiving date selection operation again. When the change of the receipt date is received, the display control unit 54 displays the reserved product corresponding to the changed receipt 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 lunch box A selection button and a lunch box B selection button are displayed. The display control unit 54 displays the product name, the tax-inclusive price, the tax rate, and the like read from the reserved product master 182 of the old tax rate on the selection screen 61 as the product data of the product.

  Next, the input reception unit 51 receives a product selection operation and a number input operation on the selection screen 61 (step S7: Yes). Note that while the input is not accepted (step S7: No), the input is waited. The display control unit 54 displays a reservation acceptance screen 71 (see FIG. 8) indicating the selected product and the number of reservations on the clerk display 17 (step S8). Further, the display control unit 54 displays a customer reservation reception screen 81 (see FIG. 9) on the customer display 18 (step S8).

  FIG. 8 is a diagram showing an example of the reservation reception screen 71 displayed on the clerk display 17. On the reservation reception screen 71 for the store clerk, the product name, the tax rate, the quantity, the subtotal of the tax-inclusive amount, the total number, and the total amount of the tax-inclusive amount are displayed as the product data of the selected product. In addition, a confirmation button 711 for confirming a 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 of the old tax rate, the reservation acceptance screen 71 displays the tax-included amount and tax rate of the old tax rate.

  FIG. 9 is a diagram showing an example of a reservation acceptance screen 81 displayed on the customer display 18. The customer reservation reception screen 81 displays a product image together with a product name for the selected product. Although FIG. 9 shows an example in which the product name is displayed with only the number, 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. On the customer reservation reception screen 81, the date and time of receipt are displayed as “delivery date”. Further, the customer reservation reception screen 81 displays the total amount of tax included as the total amount of this transaction, and the applied tax rate (old tax rate) is also displayed.

  When the confirmation button 711 is selected on the reservation reception screen 71 (see FIG. 8) for the store clerk (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 headquarter server 9, and performs registration processing (step S10). Note that while the confirmation button 711 is not selected (step S9: No), the selection waits (step S9). When the reservation registration is completed (step S10), the print control unit 55 prints out a reservation slip (see FIG. 10) by the printer 19 (step S11).

  FIG. 10 is a diagram showing a print example of the reservation slip 41 when the receipt date is before the tax rate change. As shown in FIG. 10, on the reservation slip 41, the date of receipt (delivery date), product name, product unit price including tax, total amount, tax rate (old tax rate), total tax amount, etc. 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 receipt 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 received date received in step S1 from the reserved product master 183 of the new tax rate. (Step S5). Then, 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) based on the read product data (step S6).

  FIG. 11 is a diagram illustrating an example of the selection screen 62 when the receipt 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 receipt date from the reserved product master 183 with the new tax rate. Accordingly, the selection screen 62 displays the tax-inclusive price and the tax rate based on the new tax rate. Other screen configurations are the same as those of the selection screen 61 of FIG.

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

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

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

  When the confirmation button 721 is selected on the reservation reception screen 72 (see FIG. 12) for the store clerk (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 illustrating a print example of the reservation slip 42 when the receipt date is after the tax rate change date. As shown in FIG. 14, the date of receipt (delivery date), product name, product unit price including tax, total amount, tax rate (new tax rate), total tax amount, etc. are printed on the reservation slip 42. Other configurations are the same as the reservation slip 41 of FIG.

  The display output on the screen and the print output on the reservation slip are not limited to the above-described examples. For example, the user may be alerted about the tax rate change by screen display or print output.

  FIG. 15 is a diagram illustrating an example of a screen that displays an alert regarding a tax rate change. For example, in the case of reservation purchase of books, CDs, DVDs, etc., the receipt date is the sale start date of those products, but unlike the receipt of food such as lunch boxes, it is less necessary to receive the sale start date.

  Therefore, it is common for customers to receive and pay for goods after the date of receipt in accordance with their own circumstances. 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 amount including tax differs from the amount printed on the reservation slip, and the amount of payment increases when the tax rate 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 tax rate change.

  In this case, if the date of receipt is after the tax rate change, the amount including tax does not change even if it is later than the designated date of receipt. Therefore, the above-described 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 it and updates the general merchandise master 181. Therefore, regarding the general merchandise, when the tax rate is changed, the tax rates of all the products may be uniformly changed in the general merchandise master 981 after the tax rate change date. The POS terminal 1 may display and print the tax rate and the tax-inclusive amount based on the general merchandise master 181 as usual even if the tax rate is changed. Therefore, for general merchandise, it is not particularly difficult to change the display output and print output associated with the tax rate change.

  On the other hand, for a reserved product sold by cash on delivery, the payment is the date of receipt of the product. Therefore, the payment amount (tax-included price) changes according to the date of receipt. On the other hand, if all the reserved product masters for each receipt date are stored in the POS terminal 1, the memory capacity becomes enormous and it 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 for conventional general products in order to apply an appropriate tax rate according to the date of receipt for reserved products.

  Therefore, in this embodiment, instead of preparing a large number of reserved product masters for each date, that is, for each receipt date, only two reserved product masters for the old tax rate and the new tax rate are prepared, and the receipt date and the tax rate change are prepared. Master data is selected and used by comparing the date. Thereby, in this embodiment, when applying and outputting a suitable tax rate on both sides of a tax rate change date, the memory usage for storing master data can be saved.

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

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

  Moreover, although the example which switches the display of a tax-included price and a tax rate was demonstrated above, this embodiment is not limited to this. That is, according to the present embodiment, regardless of including tax or excluding tax, when the applied product price is to be switched before and after the tax rate change, the reserved product master of the data reading source can be switched and selected according to the receipt date. .

  Specifically, the first reserved product master stores a product price applied to receipt before the tax rate change date. In the second reserved product master, the product price applied to the receipt after the tax rate change date is stored. The product price may be either a tax-excluded price or a tax-included price. The reading unit 52 reads the master data from the first reserved product master if the received 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 received date is after the tax rate changed date. Read. As a result, the product price can be switched and output before and after the tax rate change date on each screen and reservation slip.

  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 of 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 the display of the terminal. Further, display data showing the same contents as the reservation slip may be transmitted to the portable information terminal and displayed on the portable information terminal.

  As described above, according to the above-described embodiment, the reserved product master is switched according to the date of receipt of the reserved product, and the master data is read. 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 salesclerk, 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 acceptance screen, 41, 42 ... Reservation slip, 100 ... Reservation sales system, 182, 183 ... Reservation product master.

JP-A-5-143863

The sales data processing apparatus according to the embodiment includes a selection unit that selects a receipt date on which the reserved product can be received by cash on delivery, and if the date of receiving the reserved product is before the tax rate change date, the tax data is before the tax rate change date. The price of the reserved product is read from the first reserved product master that is applied to the receipt of the product, and if the received date is after the tax rate change date, the reservation product from the second reserved product master that is applied to the receipt after the tax rate changed date Reading means for reading a price; display output means for displaying and outputting the price read from the first reserved product master or the second reserved product master by the reading means; and the selected receipt date from the tax rate change date For reservation products that do not need to be received on the date of receipt before the date of receipt of the reservation product, it will be applied to receipts after the date of change of the tax rate if the date of receipt of the reservation product is after the date of change of the tax rate. That displays and outputs a message indicating that the price, and a message display output means.

Claims (6)

A selection means for selecting a receipt date for receiving the reserved product by cash on delivery;
If the receipt date is before the tax rate change date, the price of the reserved product is read from the first reserved product master applied to receipt before the tax rate change date, and if the receipt date is after the tax rate change date, A 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 from the first reserved product master or the second reserved product master by the reading means;
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 reserved 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 the tax-included price of the reserved product based on the old tax rate,
The second reserved product master stores the tax-included price of the reserved product based on a new tax rate,
The display output means displays a reservation product for each receipt date on a screen for accepting a reservation for a reservation product, and displays the tax-included price read by the reading means in association with each reservation product.
The sales data processing device according to claim 1 or 2. 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. Read
The display output means displays and outputs a tax rate applied to the reserved product.
The sales data processing apparatus according to any one of claims 1 to 3.   The sales data processing apparatus according to any one of claims 1 to 4, wherein the display output means displays and notifies that the price of the reserved product changes after a tax rate change date. A computer in a sales data processing device,
A selection means for selecting a receipt date for receiving the reserved product by cash on delivery;
If the receipt date is before the tax rate change date, the price of the reserved product is read from the first reserved product master applied to receipt before the tax rate change date, and if the receipt date is after the tax rate change date, A 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 from the first reserved product master or the second reserved product master by the reading means;
Program to function as.

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