An investor purchased a bond, at par, on the day it was issued. The bond carries a 5 percent coupon, paid semi-annually, and has 20 years to maturity. a. Five years later (five years after the bond was issued, the Yield bonds of similar risk and maturity are paying 6 percent (Yield to Maturity). What should a rational investor be willing to pay for this bond? b. If the bond in part (a), above (as of five years after issue), was actually priced at $920, what would be its Yield to Maturity? c. Ten years after the bond was issued, the Yield to Maturity on bonds of similar risk is 4 percent. What should a rational investor be willing to pay for the bond then? d. Fifteen years after the bond was issued, the rate has not changed from the 4 percent in part (b). How much should the bond be worth (its price)? e. In (d), sin