Maple Industries has 7 percent bonds outstanding that mature in thirteen years. The bonds pay interest semiannually and have a face value of $1,000. Currently, the bonds are selling for $1,021.16. What is the firm's pre-tax cost of debt?A. 6.75%
B. 6.84%
C. 6.91%
D. 7.03%
E. 7.14%