Based on the following information, compute the company$$s weighted average cost of capital $($WACC$)$: CAPM estimated

required return of $10\mathrm{.}0\%,$ equity book value of $$22$ per share and market value of $$20$ per share with $300$ million fully

diluted shares outstanding. The company$$s current cost of debt is $5\%,$ book value of debt is $$8\mathrm{.}1$ billion, market value is

$$6\mathrm{.}0$ billion and they have a tax rate of $20\%.$

a$.9\mathrm{.}7\%$

b$.8\mathrm{.}4\%$

c$.7\mathrm{.}0\%$

d$.8\mathrm{.}8\%$