Consider the following pool of mortgages: - 100 mortgages each with initial balance of $120011, interest rate 6.2%, issued for 30 years with monthly payments - 80 mortgages each with initial balance of $304631, interest rate 3.2%, issued for 15 years with monthly payments What is the Weighted Average Coupon (WAC) for this pool at origination? Express your answer as a rate rounded to 2 decimal points (e.g. if your answer is 5.112%, write 5.11 )