A 15-year bond with a 10 percent semiannual coupon has a par value of $1,000. The bond may be called after 10 years at a call price of $1,050. The bond has a nominal yield to call of 6.5 percent. What is the bond's yield to maturity, stated on a nominal, or annual basis? a.5.97% b.6.30 % c. 6.75% d.6.95 % 0 .7.10 %