If customers use credit cards to swipe their cards in the store, the store needs to pay a handling fee of 0.5% to 4% of the credit card amount to the bank and credit card center. If calculated by 4%, the store will have to pay 400 yuan handling fee for swiping 654.38 million yuan. The specific rate is determined by the industry to which the store belongs, and the rates implemented by different industries are different, ranging from 0.5% to 4%.

Generally, the discount rate of the first type of merchants, including catering, hotels, entertainment, jewelry and gold ornaments, arts and crafts, is 2%-2.5%.

The second type of merchants, including real estate, automobile sales and wholesale, generally have a discount rate of 1%, and can apply for a single-comparison transaction cap.

The third type of merchants, including air tickets, refueling and supermarkets, generally enjoy a preferential margin of 0.5%- 1%.

The fourth type of merchants, including public hospitals and public schools, generally have different discount rates in different regions.

The general discount rate for the fifth category of merchants including general categories is 1%-3%.

A credit card is a credit certificate issued by a commercial bank or a credit card company to eligible consumers. Consumers with credit cards can go to specialized commercial service departments for shopping or spending, and then the bank will settle accounts with merchants and cardholders, and cardholders can overdraw within the prescribed limits.