| 摘要 |
PURPOSE: A sell back system is provided to enable a purchaser and a seller to respectively receive a high-quality service and an accurate price by introducing a sell back system to a product selling system of an existing Internet shopping mall. CONSTITUTION: In case that a seller(8) sells a used product, a price manager transmits a price suitable for a current quotation to a purchase manager(2) in a center(1). The purchase manager(2) purchases the used product from the seller(8) on the basis of the price received from the center(1). A product manager(3) confirms and checks the state of the product. After that, the product manager(3) transmits the product to a sale manager(4). The sale manager(4) determines the price of the product and sells the product. In case of making a good profit on the product, the sale manager(4) returns surplus profits to the seller(8) who sold the product through a sell back(5). In case that there's a defect in the product sold to a purchaser(6), the purchaser(6) makes inquiries about the product to the seller(6).
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