Droz's Hiking Gear, Inc. has found that its common equity capital shares have a beta equal to $2\mathrm{.}5$ while the risk$-$free return is $9$ percent and the expected return on the market is $14$ percent. It has $7-$year semiannual maturity bonds outstanding with a price of $$787\mathrm{.}22$ that have a coupon rate of $8$ percent. The firm is financed with $$120,000,000$ of common shares $($market value$)$ and $$80,000,000$ of debt. What is the after$-$tax weighted average cost of capital for Droz's, if it is subject to a $30$ percent marginal tax rate? Round your final percentage answer to two decimal places.

$16\mathrm{.}45\%$

$9\mathrm{.}76\%$

$12\mathrm{.}86\%$

$15\mathrm{.}32\%$