You are analyzing the after-tax cost of debt for a firm. You know that the firms 12-year maturity, 10.75 percent semiannual coupon bonds are selling at a price of $814.61. If these bonds are the only debt outstanding for the firm.

What is the current YTM of the bonds?

What is the after-tax cost of debt for this firm if it has a marginal tax rate of 34 percent?

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%.)

Please show your work)