The future earnings, dividends, and common stock price of Callahan Technologies Inc. are expected to grow 3% per year, Callahan's cominon stock currently sells for $28.50 per share; its last dividend was $2.00; and it will pay a $2.06 dividend at the end of the current year. a. Using the DCF approach, what is its cost of common equity? Do not round intermediate calculations. Found your answer to two decimal places: \% b. If the firm's beta is 1.3 , the risk-free rate is 69%, and the average return on the markot is 13%, what will be- the firm's cost of common equity using CAPM approach? Round your answer to two decimal places. % c. If the firm's bends eam a retum of 12%, basod on the bond-yield-plus-risk-premium approach, what will be rs? Use the judgmental risk premium of 4% in your calculations. Round your answer to two decimal places. 9 d. If you have equal confidence in the inputs used for the threo approaches, what is your ostimate of Callahan's cost of common cquity? Do not round intermediate calculations. Round your answer to two decimal places %