Pfd Company has debt with a yield to maturity of $8\mathrm{.}1\%,$ a cost of equity of $14\mathrm{.}1\%,$ and a cost of preferred stock of $9\mathrm{.}1\%.$ The market values of its debt, preferred stock, and equity are $$9\mathrm{.}6$ million,

$$2\mathrm{.}7$ million, and $$15\mathrm{.}8$ million, respectively, and its tax rate is $38\%.$ What is this firm's after$-$tax WACC?

Pfd$\text{'}$s WACC is $\%.($Round to two decimal places.$)$