$7.$

Upton Umbrellas has a cost of equity of $11\mathrm{.}5$ percent, the YTM on the company's bonds is $6\mathrm{.}1$ percent, and the tax rate is $21$ percent. The company's bonds sell for $103\mathrm{.}1$ percent of par. The debt has a book value of $$405,000$ and total assets have a book value of $$951,000.$ If the market$-$to$-$book ratio is $2\mathrm{.}71$ times, what is the company's WACC?

A$.5\mathrm{.}43\%$

B$.10\mathrm{.}03\%$

C$.8\mathrm{.}13\%$

D$.8\mathrm{.}24\%$

E$.9\mathrm{.}49\%$