Currently, a company is financed with $40\%$ equity and $60\%$ debt. The debt consists of $15-$year $$1,000$ face$-$value bonds that pay semi$-$annual interest payments based on an annual coupon rate of $7\%.$ The market price of the firm$$s bonds is currently $$1034.$ Further, the company has a beta of $1\mathrm{.}4.$ The expected return on the market is expected to be $14\%$ while the risk free rate is $4\%.$ The marginal tax rate is $40\%.$

What is the company's WACC?

$6\mathrm{.}72\%$

$9\mathrm{.}60\%$

$8\mathrm{.}31\%$

$11\mathrm{.}19\%$