Consider the following pool of mortgages: 100 mortgages with initial balance of $118,580, interest rate 4.7%, issued for 30 years with monthly payments 80 mortgages with initial balance of $354,365, 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).