1, repayment method of equal principal and interest. Matching principal and interest repayment method is the default repayment method of Jiangsu Changjiang Commercial Bank, that is, the borrower repays the loan principal and interest with the same amount every month. The calculation formula is [loan principal × monthly interest rate ×( 1+ monthly interest rate )× repayment months ]≤[( 1+ monthly interest rate )× repayment months].
2. Average capital repayment method. This method means that the borrower repays the principal in equal amount every month, and the loan interest decreases month by month with the principal, and the repayment amount also decreases month by month. The calculation formula is monthly repayment amount = (loan principal/repayment months)+(principal-accumulated amount of repaid principal) × monthly interest rate.