Today is a day in December 2525 and a bond with annual coupon rate of 4.50% just yesterday paid a coupon The bond matures in June 2542 and its quoted bond piece is 77.40 percent of par (semiannual compounding) Find the annual yield-to-maturity a 9.1 % b 6.2 % c 6.8 % d 7.5 % e 8.2 %