Jerry Jeff, Inc. has $12,800$ shares of common stock outstanding at a price per share of $$70$ and the rate of return on the stock is $11\mathrm{.}41$ percent. The value of Jerry Jeff's debt is $$373,230$ and the required rate of return on the debt is $6\mathrm{.}03$ percent. What is the Jerry Jeff's WACC if the tax rate is $21$ percent?

A$.8\mathrm{.}89\%$

B$.9\mathrm{.}83\%$

C$.9\mathrm{.}46\%$

D$.8\mathrm{.}72\%$