Suppose that there are no prepayment and no default, what are the cash flows for Class A, Class B and Class Z bonds? What is the IRR for the issuer?

amount issued Contents of a CMO security offering with sequential annual pay tranches coupon rate Mortgage Pool: 3/1 IO ARM Liabilities Mortgages $75,000,000 Class A Bonds 8.0% Initial rate: 10% Class B Bonds 9.5% ARM rates in year 4-5: 12% Class Z Bonds 11.0% 5 year maturity Total bonds Total assets $75,000,000 Equity contribution by issuer Total debt and equity $31,000,000 $15,000,000 $27,000,000 $73,000,000 $2,000,000 $75,000,000 Rules of cash distributions to A, B and Z: interest is paid currently on tranches A and B, but it is not paid on tranche Z until principal on the other tranches is repaid. For tranche Z, interest will be accured and accumulated into the investment balance. In addition, to ensure that the maturity of tranche A securities is kept relatively short, the interest accrued to tranche Z and all current amortization of principal and prepayments from the entire mortgage pool will be allocated to tranche A, and then to tranche B. amount issued Contents of a CMO security offering with sequential annual pay tranches coupon rate Mortgage Pool: 3/1 IO ARM Liabilities Mortgages $75,000,000 Class A Bonds 8.0% Initial rate: 10% Class B Bonds 9.5% ARM rates in year 4-5: 12% Class Z Bonds 11.0% 5 year maturity Total bonds Total assets $75,000,000 Equity contribution by issuer Total debt and equity $31,000,000 $15,000,000 $27,000,000 $73,000,000 $2,000,000 $75,000,000 Rules of cash distributions to A, B and Z: interest is paid currently on tranches A and B, but it is not paid on tranche Z until principal on the other tranches is repaid. For tranche Z, interest will be accured and accumulated into the investment balance. In addition, to ensure that the maturity of tranche A securities is kept relatively short, the interest accrued to tranche Z and all current amortization of principal and prepayments from the entire mortgage pool will be allocated to tranche A, and then to tranche B