| 摘要 |
PROBLEM TO BE SOLVED: To enable an approving person who approves of a merchandise plan to surely acquire merchandise and to vary a merchandise price corresponding to the number of the approving persons. SOLUTION: A server presents the merchandise plan stored in a storage means to a client and invites the approving persons who approve of the merchandise plan. When approval information to a desired merchandise plan is inputted corresponding to invitation information acquired from the server, the client transmits the inputted approval information to the server. In the server which receives the approval information, a payment amount to be paid by the respective approving persons is decided corresponding to the number of the invited approving persons. In such a manner, since the payment amount to be paid by the respective approving persons is decided corresponding to the number of the approving persons, when the approving persons increase, the approving persons can purchase the merchandise more inexpensively. Also, even when there is only one approving person, the approving person can surely purchase the merchandise. |
