| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve problems for example, in an order system for restaurant for managing an order for a customer group unit, when calculating a payment money amount according to commodities which were eaten and drunk by respective customers, when a specific commodity which the customer group ordered was eaten by only some of the customer group, it is necessary to confirm and input that who ate which commodity, for every commodity, so that calculation of the payment money requires complicated input work.SOLUTION: Commodities which were eaten and drunk by the respective customers are selected using commodity categories to which the commodities belong, and according to kinds of the selected commodity categories, a group of sharing the expenses in which plural customers of the customer groups are subjected to grouping and the number of the customers are inputted, for calculating a payment money amount for one person of customers.</p> |
