Consider the following pool of mortgages: 100 mortgages with initial balance of $219,060, interest rate 4.2%, issued for 30 years with monthly payments 50 mortgages with initial balance of $315,665, interest rate 2.1%, issued for 15 years with monthly payments What is the Weighted Average Coupon for this pool at origination? Express your answer as a number rounded to 4 decimal points (e.g. if your answer is 5.112%, write 0.0511). Consider the following pool of mortgages: 100 mortgages with initial balance of $219,060, interest rate 4.2%, issued for 30 years with monthly payments 50 mortgages with initial balance of $315,665, interest rate 2.1%, issued for 15 years with monthly payments What is the Weighted Average Coupon for this pool at origination? Express your answer as a number rounded to 4 decimal points (e.g. if your answer is 5.112%, write 0.0511)