Upton Umbrellas has a cost of equity of $12\mathrm{.}8$ percent, the YTM on the company's bonds is $5\mathrm{.}5$ percent, and the tax rate is $21$ percent. The company's bonds sell for $104\mathrm{.}4$ percent of par. The debt has a book value of $$444,000$ and total assets have a book value of $$964,000.$ If the market$-$to$-$book ratio is $3\mathrm{.}10$ times, what is the company's WACC?

Multiple Choice

$10\mathrm{.}37\%$

$8\mathrm{.}62\%$

$5\mathrm{.}64\%$

$10\mathrm{.}91\%$

$8\mathrm{.}45\%$