please answer the following.............

Consider the following pool of mortgages 100 mortgages with initial balance of $201.888, interest rate 5.1%, issued for 30 years with monthly payments 50 mortgages with initial balance of 5157,845, interest rate 49, 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 fee if your answer is 5.1129 write 0.0511)