Billick Brothers is estimating its WACC. The company has collected the following information:

Its capital structure consists of $46$ percent debt and $54$ percent common equity.

The company has $19-$year bonds outstanding with a $7\mathrm{.}3$ percent annual coupon that are trading at par.

The company's tax rate is $31$ percent.

The risk$-$free rate is $5\mathrm{.}3$ percent.

The market risk premium is $2\mathrm{.}8$ percent.

The stock's beta is $2.$

What is the company's WACC?

$8\mathrm{.}70\%$

$6\mathrm{.}70\%$

$7\mathrm{.}70\%$

$7\mathrm{.}20\%$

$8.20\%$