Consider the following pool of mortgages:

• 100 mortgages with initial balance of $386,713, interest rate 2.8%, issued for 30 years with monthly payments
• 50 mortgages with initial balance of $364,046, interest rate 2%, 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).