You are evaluating a $300,000 mortgage to fund a renovation and flip and thus you think that you will see the property and payoff the mortgage after 18 months. Your lender has offered a 30-year mortgage at 5.25%, but the loan has a prepayment penalty of 3.00% if repaid during the first 60 months. What is the effective interest rate on the loan if the loan is repaid after 18 months? Please input your answer such that 8.22% would be input as 8.22. *