| 摘要 |
<p>It is possible to repurchase the contents once purchased at discount. When the contents are repurchased, the 'bargain price' is set in the 'charge history' of the charge information B then created. The 'bargain price' is determined on the basis of the charge information set in the 'charge history', so that the user can repurchase the contents at the bargain price.</p> |
