AB Builders, Inc. has outstanding bond issue with a face value of $1,000 and a market price of $974 and 12 years left to maturity. The bonds pay interest annually and have a yield to maturity of 4.03 percent. What is the coupon rate? A. 3.75 percent B. 4.20 percent C. 4.25 percent D. 7.50 percent E. 8.40 percent