What is the current YTM of the bonds? (Round intermediate calculations to 4 decimal places, e.g. 1.2514 and final answer to 2 decimal places, e.g. 15.25\%.) YTM % What is the after-tax cost of debt for this firm if it has a marginal tax rate of 34 percent? (Round final answer to 2 decimal places, e.g. 15.25% ) After-tax cost of debt % eTextbook and Media 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 %