Bonds issued by Drinks Inc. bear a 3.47% coupon, payable semiannually. The bonds mature in 28 years and have $1,000 face value. Currently the bonds

Bonds issued by Drinks Inc. bear a 3.47% coupon, payable semiannually. The bonds mature in 28 years and have $1,000 face value. Currently the bonds sell for 637.47. What is the yield to maturity?

a. 5.25%

b. 4.96%

c. 8.10%

d. 6.21%

e. 7.25%