You are analyzing the cost of debt for a firm. You know that the firm's $14-$year maturity, $6\mathrm{.}6$ percent coupon bonds are selling at a price of $$826\mathrm{.}00.$ The bonds pay interest semiannually. If these bonds are the only debt outstanding, answer the following questions.

What is the current YTM of the bonds? $($Round intermediate calculations to $4$ decimal places, e$.$g$.1\mathrm{.}2514$ and final answer to O decimal places, e$.$g$.15\%.)$

Current YTM for the bonds$------\%$

What is the after$-$tax cost of debt for this firm if it is subject to $30$ percent marginal and average tax rates? $($Round final answer to $2$ decimal places, e$.$g$.15\mathrm{.}25\%.)$

After$-$tax cost of debt$------\%$