You are analyzing the after-tax cost of debt for a firm. You know that the firm's 12-year maturity, 11.50 percent semiannual coupon bonds are selling at a price of $1,222.96. These bonds are the only debt outstanding for the firm. (21) Your answer is correct. What is the current YTM of the bonds? (Round final answer to 2 decimal places, e.g. 15.25%.) YTM 8.50 % e Textbook and Media Attempts: 1 of 2 used (22) What is the after-tax cost of debt for this firm if it has a marginal tax rate of 34 percent? (Round intermediate calculations to 4 decimal places, e.g. 1.2514 and final answer to 2 decimal places, e.g. 15.25%.) After-tax cost of debt