Consider an MPT with the following characteristics: Number of mortgages in the pool: 50 All 50 mortgages are fully amortizing 15 year FRM with yearly payments All mortgages have a 5% interest rate Average mortgage balance: $400,000 Prepayment rate is CPR = 596 Servicing fee taken off the initial pool balance in every period is 0.5% . h) What is the pool balance at the end of year 1 (beginning of year 2)