| 摘要 |
The present invention provides a service providing device and terminal, a system including the same, and a recording medium having a control method of the same and a computer program recorded therein. That is, the present invention determines a final price according to the number of purchasers who purchase a corresponding product on the basis of product information registered in a seller terminal and upper/lower limit price information of the corresponding product; and provides a rebate (or reward) to a terminal of a purchaser who has purchased the corresponding product on the basis of the determined final price. Therefore, the present invention can increase a profit in proportion to a product sale record, and improve publicity of a corresponding transaction by motivating a consumer having purchased the corresponding product to recommend a purchase of a product to his/her acquaintance. |
