8. For a MBS (Mortgage Backed Security) what is meant by the CPR" What does it measure? How is linked to PSA. What does 100% PSA mean? How does it compare against 50% PSA and 200% PSA? CO5 9. Fill data on the following tables representing the cash flow of a 2-year mortgage that is paid semiannually with principal 1,000 and interest 5%: COS t I A Coupon Principal(before) Interest Paid Principal Paid Principal (after) 0.0 0 0.5 1 0.9756 1.0 2 0.9518 4 15 3 0.9268 2.0 4 0.9060