You have the following information about a firm and the market

The firm$$s beta is $1\mathrm{.}3$

Market value of the firm$$s equity is $$100$m and market value of its debt is $$300$m

The firm$$s cost of debt is $8\%$

Corporate tax rate is $21\%$

The expected market return is $10\%$ and the risk$-$free rate is $2\%$

What is the firm$$s weighted average cost of capital $($WACC$)?$ Estimate its cost of equity using the CAPM model.

A$.$

$0\mathrm{.}0751$

B$.$

$0\mathrm{.}0983$

C$.$

$0\mathrm{.}0784$

D$.$

$0\mathrm{.}0654$