You are in escrow to buy a house for 1,200,000. You have a closing of two 30 yr fully amortizing mortgage loans with monthly payments 1. If you make a 10% down payment you can obtain a loan with a 6% annual interest rate or 2 if you make a 20% down payment you can obtain a loan with a 5% annual interest rate. What is the effective annual interest rate on the additional amount borrowed if you take the first loan?