The following table gives Foust Company's earnings per share for the last $10$ years. The common stock,

$8\mathrm{.}1$ million shares outstanding, is now $(\frac{1}{1}\frac{?}{22})$ selling for $$58\mathrm{.}00$ per share. The expected dividend at

the end of the current year $(\frac{12}{31}\frac{?}{22})$ is $50\%$ of the $2021$ EPS. Because investors expect past trends

to continue, $g$ may be based on the historical earnings growth rate. $($Note that $9$ years of growth are

reflected in the $10$ years of data.$)$

The current interest rate on new debt is $11\%$; Foust's marginal tax rate is $25\%$; and its target capital

structure is $50\%$ debt and $50\%$ equity.

a$.$ Calculate Foust's after$-$tax cost of debt. Round your answer to two decimal places.

$\%$

Calculate Foust's cost of common equity. Calculate the cost of equity as $r_s=\frac{D_1}{P_0}+g.$ Do not

round intermediate calculations. Round your answer to two decimal places.

$\%$

b$.$ Find Foust's WACC. Do not round intermediate calculations. Round your answer to two decimal

places.