The market value of Ford's debt, preferred stock and equity are $15 billion, $1 billion, and S6 billion, respectively. Ford has a beta of 15, the market risk premium is 8%, and the risk-free rate of interest is 4% Ford's preferred stock pays a dividend of $3.50 each year and trades at a price of $30 per share. Ford's debt trades with a yield to maturity of 95% What is Ford's WACC if its tax rate is 21%? 13.62% 14.129 13.27% O 13.99%