The market value of Fords' equity, preferred stock, and debt are $7 billion, $1 billion, and $14 billion, respectively. Ford has a beta of 1.4, the market risk premium is 6%, and the risk-free rate of interest is 3%. Ford's preferred stock pays a dividend of $3 each year and trades at a price of $25 per share. Ford's debt trades with a yield to maturity of 7.5%. What is Ford's weighted average cost of capital if its tax rate is 35%? O A. 8.73% OB. 7.64% O c. 7.28% OD 8%