Year: matching principal and interest: the monthly repayment amount of principal and interest is 1857.54 yuan, and the total repayment amount is:

6687 14.4 yuan, * * * Interest payable:

3 187 14.4 yuan. The interest paid in the first month is 1429. 17, and the principal paid in the first month is 428.37; The interest paid in the second month is 1427.42, and the principal paid in the second month is 430.438+02.