| 摘要 |
PROBLEM TO BE SOLVED: To provide a Web shopping program providing a purchaser with convenience by showing a purchase scheme where an amount obtained by adding a delivery charge to the cost of a commodity becomes most inexpensive on a Web even if a purchaser selects a plurality of commodities for purchase. SOLUTION: A computer functions as a means for permitting a user to select the a plurality of types of commodities and a plurality of shops, a means for calculating a purchase amount obtained by adding the delivery charge to the cost of the commodity existing in the cost tables of respective shops a means for calculating the most inexpensive purchase scheme from the calculated result, a means for displaying the purchase scheme, a means for inputting the purchase scheme which the user selects on the basis of the displayed result to the server, and a means for informing the shop of the input result. |
