The total loan is 800,000 yuan.

The total repayment amount is 10 13543 yuan.

Pay interest of 265,438 yuan+03,543 yuan.

The loan period is 120 months.

The monthly repayment is 8446. 19 yuan.

2. Matching principal and interest repayment method, also known as regular interest repayment method, means that the borrower repays the loan principal and interest with the same amount every month, in which the monthly loan interest is calculated according to the remaining loan principal at the beginning of the month and settled every month. Add up the principal and interest of the mortgage loan and distribute it evenly to each month of the repayment period.

Three. The calculation formula of monthly repayment amount is as follows:

[loan principal × monthly interest rate ×( 1+ monthly interest rate) repayment months]/[(1+monthly interest rate) repayment months-1]