PUT ANSWER IN TWO DECIMAL PLACES

18. You are going to buy a house for $300,000. You can get a loan with an 80% LTV at 3% for 30 years. To get your downpayment to 10%, you get a second mortgage on 10% of the loan at 6%. (In other words, you would take out the 80% LTV at 3% for 30 years and then also an additional 10% LTV on a second loan at 6%, also for 30 years.) Assuming you kept both loans until maturity, what would be the effective cost of your total financing over the 30 years? Please put your answer in percentage with two decimal places for instance put 7.63 for 7.63%. Please enter a positive value