A partially amortizing FRM loan with the following terms is being made: Fixed rate with 3 discount point charges, constant payments, 12% interest rate for 20 years, $100,000 mortgage amount with a balloon payment of $50,000 scheduled at the end of year 20. The borrower will prepay at the end of year 5 with one percent of prepayment penalty. What is the effective rate of interest. Show calculations using a financial calculator (i.e. I=, N=, PMT=, etc.)