You have estimated spot rates as follows: 1 = 7.60%, 72 - 7.40%, r3 - 7.70%, 4 - 7.90%, rg - 8.00% a. What are the discount factors for each date (that is, the present value of $1 paid in year 1? (Do not round intermediate calculations. Round your answers to 3 decimal places.) Year Discount Factors 1 2 4 5 b. Calculate the PV of the following $1,000 bonds assuming an annual coupon and maturity of: (0) 70%, two-year bond: (10) 20%, five. year bond; and (H) 12.0%, five-year bond. (Do not round intermediate calculations. Round your answers to 2 decimal places.) Present Value b- b. 7.00% two-year bond 700%, five year bond 12.00%, five year bond