| 摘要 |
PROBLEM TO BE SOLVED: To provide a sales system provided with a test period before deciding a purchase of a product so that a user can use it normally to confirm the convenience of use and can decide a purchase thereof. SOLUTION: This system provides a personal computer programmed to be operated in a test period to a consumer who wants to use with a time limit, and this system is provided with a means for discounting by returning some rate of the shopping sum to the consumer when the consumer does the shopping through the Internet during the test period. When the test period is concluded, the user decides to purchase the PC or accounts the charges during the test period. In case of accounting, a sum of cash back by the shopping through the Internet is subtracted for accounting. In case of purchasing the PC, a password is distributed, and the program to be operated in the only test period is canceled by inputting this password. |
