Loan principal: 800,000 yuan, term: 20 years, and the repayment method of equal principal and interest is adopted according to the annual interest rate of the provident fund of China People's Bank for more than 5 years (unchanged), with a monthly payment of 45,375.57 yuan; Total repayment amount:1089015.86; Total interest: 289,065,438+05.86; Average capital repayment method is adopted, and the total repayment amount is1061083.33; Total interest: 26 1083.33.