Importance

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Abstract

The present invention relates to a computer system for calculating transaction by card(s) of members in the computer system. The computer system comprises: a judgment means, a calculating means, a database and a dispenser. The judgment means is used for judging a card transaction of a member in a contracted store with the computer system or an un-contracted store. If the transaction is paid by card in the contracted store, according to a contract between the contracted store and the computer system, the calculating means deducts a specific proportion amount from the transaction. The dispenser dispenses the specific proportion amount to the consumer member and to a plurality of higher-ranking members above the consumer member at different percentages. Therefore, for the members of the computer system, because the consumer member can get bonuses from the card transaction in the contracted store, the members are pleased to buy and pay something by card in the contracted store. On the other hand, for the contracted store and the issuer bank, because of an increase in transactions of members, the business and the profit of the contracted store and the issuer bank are also increased. Accordingly, the members, the contracted store and the bank can all receive profit. Furthermore, not only does the consumer member get bonuses from paying by card, but the higher-ranking members than the consumer member can also get bonuses.

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First Claim