Given a pool of 30 year fully-amortizing FRMs making monthly payments to investors with the following characteristics: WAC: 5% Pass-through rate: 4.5% Prepayment assumption: 300 PSA Loans were not seasoned before entering pool This MBS has been active for a few years in collecting payments from borrowers and making payments to investors. It's currently month 32 in the pool. Starting pool balance month in month 32: 54,234,988 What is the dollar amount of prepayment in month 32? What is the servicing fee in month 32? What is the starting pool balance for month 33 of this security? Please show me all the steps.