| 摘要 |
PURPOSE: A reverse auction method for offering a best benefit to a buyer and a seller is provided to satisfy the seller by supplying a purchase opportunity to the purchaser through the reverse auction. CONSTITUTION: Purchase support information is stored in a reverse auction server(S101). It is offered to the seller to which the purchase support present condition is connected(S102). The bidding information including the sale desired price is stored in the auction server(S103). The seller tendering at desired price pitches is determined as the successful bidder. The sale desired price is determined at the selling price. The purchase support quantity corresponding to the contract price or greater is fixed to the successful bidder(S104). |
