You are analyzing the after-tax cost of debt for a firm. You know that the firm's 12-year maturity, 13.00 percent semiannual coupon bonds are selling at a price of $1,207. Assuming that these bonds are the only debt outstanding for the firm. What is the current YTM of the bonds and after-tax cost of debt for this firm if the bonds are selling at par? (Round final answers to 2 decimal places, e.g. 15.25%.) YTM % After-tax cost of debt %