A firm expects to pay a dividend of exist3 per share next year. The dividends are expected to grow at a constant rate of 5 percent per year forever. The current stock price is exist30 per share. The firm has a beta of 1.7. Treasury bills currently have a return of 4% and the market risk premium is 6%. a) Find the cost of equity using the constant dividend growth model approach. b) Find the cost of equity using the capital asset pricing model (CAPM) approach