COST OF COMMON EQUITY The future earnings, dividends, and common stock price of Callahan Technologies Inc. are expected to grow % per year. Callahan's common stock currently sets for $22.50 per share; its last dividend was $2.50; and it will pay a $2.70 dividend at the end of the current year. a. Using the DC approach, what is its cost of common equity? Round your answer to two decimal places. Do not found your intermediate calculation b. Ir the firm's beta ls 1.40, the risk free rates 3, and the average return on the market is 14%, what will be the firm's cost of common equity using the CAPM approach Round your answer to two decimal places c. If the firm's bonds earn a return or 9%, based on the bond-yield-plus riskpremium approach, what will be rs? Use the midpoint of the risk premium range decussed in Section 10-5 in your calculations, Round your answer to two decimal places d. tf 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