DIFFERENTIAL SALE OFFER SERVICE PROVIDING METHOD WITH MULTIPLE PURCHASING GROUPS CHARACTERIZED BY PURCHASING PRICE SUGGESTED BY CONSUMERS

摘要

PURPOSE: A differential discount selling service supplying method for dividing a purchasing group is provided to differentially discount a product by each purchase group by dividing a purchase group according to the distribution of purchase price. CONSTITUTION: Product information, desired discount rate, and purchased restriction item are received from a seller(S100). The product information is offered to a terminal of a buyer(S200). The buyer participates in the purchase of the product after inputting purchase price from the buyer(S300). If the sale limitation is satisfied with, the purchasing contract is concluded(S400). The buyer is classified as one purchase group(S500).