The future eamings, dilvidends, and convon stodk price of Callahen Technologles the, are expected to grow 5% ser year. Colahan's common stock currenty seis for s21.00 ser share; its last dividend was \$1.60; and it wit pey a \$1.68 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. Round your answer to tws dedmel places b. If the firm's beta is 2.0, the risk-free rate is 7%, and the average retum on the market is 12%, what will be the flimis cost of comman equity usima the CAPh apprath? Round your answer to two dedmal places. c. If the fim's bonds eam a retum of 10%, based on the bond-yield-phis-risk-premium approach, what will be ra? Use the judgriertal fisk premium el 4% in yout calculations. Round your answer to two decimal places. d. If you have eeual censidence in the inputs used for the three approaches, what is your estimate of Callahan's cost of common equity? Do not round intermediate calculations, Mound your answer to two decimal places