Upton Umbrellas has a cost of equity of $10\mathrm{.}8$ percent, the YTM on the company's bonds is $5\mathrm{.}4$ percent, and the tax rate is $21$ percent. The company's bonds sell for $92\mathrm{.}8$ percent of par. The debt has a book value of $$384,000$ and total assets have a book value of $$944,000.$ If the market$-$to$-$book ratio is $2\mathrm{.}50$ times, what is the company's WACC?

Multiple Choice

$8\mathrm{.}99\%$

$7\mathrm{.}73\%$

$7\mathrm{.}97\%$

$9\mathrm{.}47\%$