Brown Inc is a developer of smartphones. The firm is considering a new project, which is similar in risk to the firm's current operations. The firm maintains a debt-equity ratio of 0.35 and retains all profits to reinvest How should the firm determine its cost of equity? O by adding the market risk premium to the aftertax cost of debt Oby multiplying the market risk premium by (1 -0.40) by using the dividend growth model Oby using the capital asset pricing model