2-cent interest refers to the annual interest rate, which is converted into a monthly interest rate of 2% divided by 12, which is equal to 0.005438+06667. Monthly repayment amount = loan principal multiplied by monthly interest rate multiplied by (1+ monthly interest rate) repayment months divided by [( 1+ monthly interest rate) repayment months-1]= 150000 multiplied by 0.00 16667 multiplied by/kloc-.