| 摘要 |
PROBLEM TO BE SOLVED: To perform an accurate rank trial calculation and also to show the objective rank-up trial calculations for plural patterns by deciding the ranks based on the evaluation points that are calculated from the quantity, etc., of every transaction item of a customer. SOLUTION: A terminal 7 consists of a rank calculation means 8, a result estimation means 9, etc., and performs various types of processes. The customer transaction information are registered on a customer transaction information table 10, and the evaluation points are registered on a rank trial calculation table 11 in accordance with the quantity or balance of every transaction item. Then the ranks are registered on a rank correspondence table 12 in accordance with the lot numbers and amount numbers. The means 8 refers to the table 10 and also to the table 11 based on the quantity or amount of every transaction item of the relevant customer to calculate the, evaluation points. Thus, it's possible to decide the ranks of the evaluation points by referring to the table 12. |
