A bond has a yield to maturity of 9.38 percent, a coupon of 7.5 percent paid semiannually, a $1,000 tace value, and a maturity date 21 years from today. What is the curent yeld? O 9.05 percent Ob. 9.46 percent Oc 8.47 percent Od 9.38 percent O 7.91 percent