You have estimated spot rates as follows: ri - 5.50%, r2 = 5.90%, r3 = 6.20%, r4 = 6.40%, r5 = 6.50%. a. What are the discount factors for each date (that is, the present value of $1 paid in year ? (Do not round intermediate calculations. Round your answers to 3 decimal places.) Year Discount Factors 1 2 3 4 5 b. Calculate the PV of the following $1,000 bonds assuming an annual coupon and maturity of: () 5.5%, two-year bond; (ii) 5.5%, five- year bond; and (iii) 10.5%, five-year bond. (Do not round intermediate calculations. Round your answers to 2 decimal places.) Present Value b-i b-ii b-iii 5.50%, two-year bond 5.50%, five-year bond 10.50%, five-year bond