| 摘要 |
PROBLEM TO BE SOLVED: To securely achieve the most advantageous set sales for a customer irrelevantly to the registration order of articles by the processor which has an automatic deciding function for the set sales. SOLUTION: Sales data by articles which are registered as one transaction are stored in a buffer. When the registration of the one transaction is declared, it is judged whether or not set sales are completed in order from the set sales article having the largest reduction amount of money when the set sales are completed. When the completion of the set sales is confirmed, sales data on the unit sales articles constituting the set sales article in the buffer are altered into sales data based upon the set sales price of the set sales article. |
