$($Individual or component costs of capital$)$ Compute the cost of capital for the firm for the following: market value of $$1,123$ and will mature in $10$ years. The firm's marginal tax rate is $34$ percet. now $$27\mathrm{.}08.$

c$.$ A preferred stock that sells for $$126,$ pays a dividend of $8\mathrm{.}5$ percent, and has a $$100$ par value.

d$.$ A bond selling to yield $11\mathrm{.}6$ percent where the firm's tax rate is $34$ percent.

a$.$ The after$-$tax cost of debt is

$\%.($Round to two decimal places.$)$