INFORMATION PROCESSOR, CONTROL METHOD THEREOF, INFORMATION PROCESSING METHOD AND PROGRAM THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a system which differentiates a purchase screen on display according to with or without a coupon.SOLUTION: It is determined whether or not a coupon table managed by an information processor includes a coupon possessed by a user. As a result of the determination, when it is determined that the coupon possessed by the user is included in the coupon table, a coupon information input screen is transmitted, and when it is determined that the user does not possess a coupon, a process screen following a process for displaying the coupon information input screen is transmitted.