future eamings, dividends, and common stock peice of Callahan Technologies inc. are expected to grow 5% per year, Callahan's common stock currently selis for $22.75 pen hare; its last dividend was $2.00; and it will pay a $2.10 dividend at the end of the current year. a. Using the Dof abproach, what is its cost of common equity? Do not round intermediate calculations. Round your answer to two decimal places. b. If the firm's beta is O.8, the risk. free rate is 7\%, and the average retum on the market is 12%, what will be the firm's cost of common eQuity using the CAPM approsef? Round your answer to two decimal places. c. It the firm's bonds eam a return of 10\%, based on the bond-yleld-plus.risk.premlum approach, what will be ro? Use the judghinental risk premium of 496 in your caloulations. Pound 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? Do not round intermedlate. calculations. fround your answer to two decimal places