This question is hard.. two parts.. thanks for the help

QUESTION 3 Given the following information of the mortgage pool that backs a MPT, what is the regular scheduled payment in month 1 of the security? Use WAC as the mortgage rate and WAM as the number of periods for your calculations. Round your final answer to two decimals. 30 year FRM, fully amortizing, monthly payments Loans seasoned for 3 months before entering pool WAM: 357 WAC: 4% . Servicer Guarantee fee: 0.55% Starting pool balance: 250,342,967 . Prepayment assumption: 75% PSA Given the following information of the mortgage pool that backs a MPT (same as Question 3), what is the dollar amount of prepayment in month 1 of the security? Remember PSA is calculated based of month of the mortgage, not the security. Round your final answer to two decimals. 30 year FRM, fully amortizing, monthly payments Loans seasoned for 3 months before entering podl WAM: 357 . WAC: 4% . Servicer:Guarantee fee: 0.55% Starting pool balance: 250,342,967 . Prepayment assumption: 75% PSA QUESTION 3 Given the following information of the mortgage pool that backs a MPT, what is the regular scheduled payment in month 1 of the security? Use WAC as the mortgage rate and WAM as the number of periods for your calculations. Round your final answer to two decimals. 30 year FRM, fully amortizing, monthly payments Loans seasoned for 3 months before entering pool WAM: 357 WAC: 4% . Servicer Guarantee fee: 0.55% Starting pool balance: 250,342,967 . Prepayment assumption: 75% PSA Given the following information of the mortgage pool that backs a MPT (same as Question 3), what is the dollar amount of prepayment in month 1 of the security? Remember PSA is calculated based of month of the mortgage, not the security. Round your final answer to two decimals. 30 year FRM, fully amortizing, monthly payments Loans seasoned for 3 months before entering podl WAM: 357 . WAC: 4% . Servicer:Guarantee fee: 0.55% Starting pool balance: 250,342,967 . Prepayment assumption: 75% PSA