| 摘要 |
PROBLEM TO BE SOLVED: To facilitate work at the time of issuing coupons. SOLUTION: At the time of executing a data processing based on merchandise information included in a two-dimensional code 4 for which the merchandise information regarding merchandise 5 and coupon issuance information including discount information regarding a discount of the merchandise are included, coded and read by a two-dimensional code read means, the coupon 19 on which the discount information included in the coupon issuance information is printed is issued.
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