16. River Tours has 7.5 percent coupon bonds that pay interest semiannually. The face value of each bond is $1,000 and the current market price is $1,012.20. If the yield to maturity is 7.6 percent, how many years is it until these bonds mature? A. 8.22 years B. 8.80 years C. 10.46 years D. 16.43 years E. 17.59 years