The market value of Fords' equity, preferred stock, and debt are $7 billion, $1 billion, and $14 billion, respectively. Ford has a beta of 1.3, the market risk premium is 8%, and the risk-free rate of interest is 4%. Ford's preferred stock pays a dividend of $2 each year and trades at a price of $25 per share. Ford's debt trades with a yield to maturity of 8.5%. What is Ford's weighted average cost of capital if its tax rate is 25%?

A. 9.9%

B. 9%

C. 10.8%

D. 9.45%