20. Nike, Inc (NKE) has a beta of 0.82, the market risk premium is 7%, and the risk-free rate of interest is 4%. Suppose that the market of value Nike equity, preferred stock, and debt are $133 billion, $20 billion, and $40 billion, respectively. Nike's preferred stock pays a dividend of $3 each year and trades at $28 per share. The coupon rate and the yield to maturity of Nike's debt are 7.5% and 7.75%. What is Nike's weighted average cost of capital if its tax rate is 25%