Bunkhouse Electronics is a recently incorporated firm that makes electronic entertainment systems. Its earnings and dividends have been growing at a rate of 30.5%, and the current dividend yield is 2.50%. Its beta is 1.21, the market risk premium is 8.50%, and the risk-free rate is 3.90%. a. Use the CAPM to estimate the firm's cost of equity. (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) cos Cost of equity % b. Now use the constant growth model to estimate the cost of equity. (Do not round intermediate calculations. Enter your answer as a whole percent.) Cost of equity