Turnbull Co$.$ is considering a project that requires an initial investment of $$270,000.$ The firm will raise the $$270,000$ in capital by issuing $$100,000$ of debt at a before$-$tax cost of $8\mathrm{.}7\%,$ $$30,000$ of preferred stock at a cost of $9\mathrm{.}9\%,$ and $$140,000$ of equity at a cost of $13\mathrm{.}2\%.$ The firm faces a tax rate of $25\%.$ What will be the WACC for this project? $($Note: Round your intermediate calculations to three decimal places.$)$

$7\mathrm{.}77\%$

$11\mathrm{.}91\%$

$7\mathrm{.}25\%$

$10\mathrm{.}36\%$