Too Young, Inc., has a bond outstanding with a coupon rate of 6.1 percent and semiannual payments. The bond currently sells for $940 and matures in 18 years. The par value is $1,000. What is the company's pretax cost of debt? a. 3.27% b. 6.92% c. 6.73% d. 6.68% e. 7.15%