Rachel McGovern bought a 20-year bond for $880.77 four years ago. The bond pays a coupon of 10 percent semiannually. Today, the bond is priced at $961.92. If she sold the bond today, what would be her realized yield? (Round to nearest percent.)

Answer choices:

A) 13%

B) 17%

C) 6.6%

D) 18%

E) 10%