| 摘要 |
PURPOSE:To offer service by detecting a set menu consisting of a combination of orders of plural individuals who belong to a group. CONSTITUTION:The sale data processor, equipped with a discrimination input means which discriminates and inputs the orders of the respective individuals in the same group, one by one, a discrimination storage means which discriminates and stores the orders inputted by the discrimination input means, one by one, and an amount due calculating means which calculates the amount due by the individuals who are in the group, is provided with a set menu detecting means which detects the set menu consisting of the combination of plural menus from the total order of the group and a discount means which reduces the amount due at a previously set reduction rate once the set menu detecting means detects the set menu. |
