show work so i understand If interest rates fall from 8 percent to 7 percent, which of the following bonds will have the largest percentage increase in its value? a. A 10-year zero-coupon bond. b. A 10-year bond with a 10 percent semiannual coupon. c. A 10-year bond with a 10 percent annual coupon. d. A 5-year zero-coupon bond. e. A 5-year bond with a 12 percent annual coupon