PRODUCT PURCHASE SUPPORT DEVICE, PRODUCT PURCHASE SUPPORT METHOD, PRODUCT PURCHASE SUPPORT PROGRAM, AND COMPUTER READABLE RECORDING MEDIUM HAVING PRODUCT PURCHASE SUPPORT PROGRAM RECORDED THEREON

摘要

Provided is a product purchase support device etc. which can reduce the possibility of a user overlooking a reward that can be received if a number of products are additionally purchased. A reward that can be received when a product is purchased and a reward application condition required for the reward to be applied are retained for each reward as reward information. If the reward application condition is not satisfied, a separate product is extracted which will satisfy the reward application condition provided that the separate product is purchased in addition to the product desired by the user. Display information for displaying the separate product and the reward application condition to the user is provided to a terminal.