6 periods of 4.2, monthly cost = 5000/6 5000*4.2=855 yuan.

Interest rate of installment payment of China Merchants Bank:

1. Installment fee of China Merchants Bank credit card: 2.6 for 3 periods, 4.2 for 6 periods, 7.2 for 12 periods (charged every month);

2. Credit cards generally have a three-day grace period after the repayment date, and repayment within the grace period is deemed to be repayment on time;

1. If the payment is paid in full, no fees will be incurred;

2. If you pay the minimum repayment amount, the daily interest will be calculated at 0.05;

3. If the repayment exceeds the grace period or the repayment amount is less than the minimum repayment amount stipulated by the bank It is considered overdue, and the daily interest rate is 0.05, and the interest is calculated from the accounting date. In addition, a late payment fee of 5% of the unpaid portion of the minimum repayment amount is charged on a monthly basis.