| 摘要 |
PROBLEM TO BE SOLVED: To provide an electronic commercial transaction system capable of providing a user with the width of selection of article prices as well as a discount negotiation to articles when the user is to purchase these articles. SOLUTION: A banner advertisement 33 displaying the user on a web page p1 is counted by the program of an auction site and on the basis of this count number, the user decreases the successful bidding price of the article of successful bidding. |
