e Tyler Oil Company$$s capital structure is as follows:

Debt $30\%$

Preferred stock $10$

Common equity $60$

The aftertax cost of debt is $7$ percent; the cost of preferred stock is $10$ percent; and the cost of common equity $($in the form of retained earnings$)$ is $13$ percent.

Calculate Tyler Oil Company$$s weighted average cost of capital in a manner similar to Table $11-1.($Round the final answers to $2$ decimal places.$)$

Weighted Cost

Debt $($Kd$)$

$\%$

Preferred stock $($Kp$)$

Common equity $($Ke$)($retained earnings$)$

Weighted average cost of capital $($Ka$)$

$\%$