| 摘要 |
PROBLEM TO BE SOLVED: To perform limited time point service without imposing a burden on a salesclerk. SOLUTION: Whether or not performing time of a merchandise sales and purchase transaction is within a preset period is decided, and points for service which is calculated by the merchandise sales and purchase transaction which is decided to be within the period are accumulated by every customer as time point. Then, service is provided to every customer by an accumulated value of the time points. |
