China Construction Bank provides 3-month, 6-month and 12-month consumption installments, and cardholders can freely choose the number of installments. The handling fee rate of credit card installment payment of CCB is: 0.70% for 3 months, 0.60% for 6 months, and 0.60% for 12 months.

An example of credit card installment fee of CCB;

Mr. Wang's bill date is 17. He bought a household appliance in 600 yuan on June 8th, 2006. On the third day after swiping the card (June 10, 1 1), I called CCB to apply for installment. The series is 12. The installment fee rate of 12 chosen by Mr. Wang is 0.60%, so the monthly repayment amount is 3600 × 0.60%+3600 ÷12 = 21.6+300 = 321.6 yuan, which is Mr. Wang's monthly repayment.