You have estimated spot rates as follows: r1 = 7.00%, r2 = 7.40%, r3 = 7.70%, r4 = 7.90%, r5 = 8.00%. a. What are the discount factors for each date (that is, the present value of $1 paid in year 6? (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 : (i) 7.0%, two-year bond; (ii) 7.0%, five- year bond; and (iii) 12.0%, five-year bond. (Do not round intermediate calculations. Round your answers to 2 decimal places.) Present Value b-i b-ii 7.00%, two-year bond 7.00%, five-year bond 12.00%, five-year bond b