The market value of Fords' equity, preferred stock and debt are $8 billion, $4 billion and $15 billion respectively. Ford has a beta of 1.3, the market risk premium is 6% and the risk-free rate of interest is 5%. 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 9.5%. What is Ford's weighted average cost of capital if its tax rate is 35%? O A. 8.1% O B. 9% O C. 8.55% OD 7.65%