Given a before tax cost of debt of 10%, a marginal tax rate of 34%, a security beta of 1.5, a risk free rate of 6%, a market return of 12%, a current dividend on common stock of $2 (just paid), a dividend growth rate of 4%, a current stock price of $20 and a 40% debt weight and 60% equity weight, compute the component cost of equity using the DCF method 15% 14.4% 14% 6.6%