Redox has 7.5 percent coupon bonds outstanding with a current market price of $1042.80. The yield to maturity is 6.2 percent and the face value is $1,000. Interest is paid annually. How many years is it until these bonds mature? Select one: a. 6.56 years b. 5.29 years c.5.50 years d. 3.43 years e. 3.80 years