Consider the following pool of mortgages: - 100 mortgages each with initial balance of $220684, interest rate 4.2%, issued for 30 years with monthly payments - 80 mortgages each with initial balance of $143806, interest rate 2.7%, issued for 15 years with monthly payments What is the Weighted Average Maturity for this pool at origination? Express your answer in months rounded to 2 decimal points (e.g. if your answer is 5.6744 months, write 5.67 )