The mortgage is 65438+100000, with an annual interest rate of 5.455%. How much is the monthly repayment? How much is the principal to be repaid in the second month?
If calculated by the average capital method, the monthly capital is 8 14.70 yuan, the principal of the second month is 36 1.75, and the total interest for 15 years is 46,645.18 yuan. If calculated by the average capital method, the monthly principal is equal, and the initial monthly repayment amount is the highest, and the first month is 1065438+. The second month is 1007.62, and then it will decrease month by month. The total interest 1 139.44 yuan is more cost-effective.