The market value of Fords' equity, preferred stock, and debt are $7 billion, $1 billion, and $15 billion, respectively. Ford has a beta of 17, the market risk premium is 7%, and the risk-free rate of interest is 5%. Ford's preferred stock pays a dividend of $4 each year and trades at a price of $27 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 30%? O A. 11.05% OB. 10.13% OC. 9.67% OD. 9.21%