The market value of Fords' equity, preferred stock, and debt are $8 billion, $1 billion, and $11 billion, respectively. Ford has a beta of 1.7, the market risk premium is 6%, and the risk-free rate of interest is 3%. Ford's preferred stock pays a dividend of $2 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 35% ? A. 9.16% B. 8.75% C. 10% D. 8.33%