How to calculate the credit card interest of the undertaking bank? How to calculate the credit card interest of the contractor's bank? 12 I spent 4700 points. How to calculate how much to change in each issue? Installment fees for different types of credit cards in the contractor's bank are as follows:

Installment payment is to calculate the installment fee directly without interest, and collect the monthly fee together after the monthly bill comes out.

Repayment per installment =4700* installment fee +4700/ 12.

Handling fee payable for each period =4700* installment fee.

Total installment fee payable =4700* installment fee * 12.