A company has the following information. Debt: $21,000$ bonds outstanding, $6$ percent coupon, $$1,000$ par value, $15$ years to maturity, selling for $102$ percent of par; the bonds make semiannual coupon payments. Common stock: $300,000$ shares outstanding, selling for $$56$ per share; the beta is $2\mathrm{.}20.$ The company's tax rate is $25$ percent. The market risk premium $($MRP$)$ is $7\mathrm{.}0$ percent and the risk$-$free rate is $3\mathrm{.}0$ percent. Find the company's weighted average cost of capital $($WACC$).$

$9\mathrm{.}21\%$

$9\mathrm{.}65\%$

$10\mathrm{.}09\%$

$10\mathrm{.}53\%$

$10\mathrm{.}97\%$