| 摘要 |
PROBLEM TO BE SOLVED: To actualize a device which determine a price while setting a certain trial use period by making contracts by not the whole products, but some services, and also flexibly provides campaign sales, volume discounts, etc., as to a service providing device which provides services and a recording medium. SOLUTION: This device is equipped with a 1st table wherein uses are set by some services of products, a 2nd table wherein actual results of uses are accumulated and set corresponding to some services provided when some services of products set in the 1st table are provided, and a means which totalizes the actual results of the users by some services of products set in the 2nd table and charges the users. |
