$($Weighted average cost of capital$)$ The target capital structure for Jowers Manufacturing is $50$ percent common stock, $10$ percent preferred stock, and $40$ percent debt. If the cost of common equity for the firm is $19\mathrm{.}5$ percent, the cost of preferred stock is $11\mathrm{.}2$ percent, and the before$-$tax cost of debt is $9\mathrm{.}1$ percent, what is Jowers' cost of capital? The firm's tax rate is $34$ percent.

Jowers' cost of capital is

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