The future earnings, dividends, and common stock price of Callahan Technologies Inc. are expected to grow 8% per year. Callahan's common stock currently sells for $23.25 per share; its last dividend was $1.50; and it will pay a $1.62 dividend at the end of the current year. a. Using the DCF approach, what is its cost of common equity? Round your answer to two decimal places. Do not round your intermediate calculations. 14.97 % b. If the firm's beta is 1.00, the risk-free rate is 6%, and the average return on the market is 12%, what will be the firms cost of common equity u sing th CAP approach? Round your answer to two decimal places. 12 c. If the firm's bonds earn a return of 10% based on the bond yield plus risk premium approach what w be ls? Use the midpoint of the premium range discussed in Section 10-5 in your calculations. Round your answer to two decimal places. d. If you have equal confidence in the inputs used for the three approaches, what is your estimate of Callahan's cost of common equity? Round your answer to two decimal places. Do not round your intermediate calculations