15. USA Manufacturing issued 30-year, 7.5 percent semiannual bonds 6 years ago. The bonds currently sell at 101 percent of face value. What is the firm's after-tax cost of debt if the tax rate is 21 percent? A. 4.82 percent B. 5.85 percent C. 3.76 percent D. 3.59 percent E. 4.40 percent

15. USA Manufacturing issued 30 -year, 7.5 percent semiannual bonds 6 years ago. The bonds currently sell at 101 percent of face value. What is the firm's after-tax cost of debt if the tax rate is 21 percent? A. 4.82 percent B. 5.85 percent C. 3.76 percent D. 3.59 percent E. 4.40 percent