10-6 COST OF COMMON EQUITY Callahan Technologies Inc. are expected to grow 6% per year. Callahan's common stock currently sells for $22.00 per share; its last dividend was $2.00; and it will pay a $2.12 dividend at the end of the current year. The future earnings, dividends, and common stock price of a. Using the DCF approach, what is its cost of common equity? b. If the firm's beta is 1.2, the risk-free rate is 6%, and the average return on the market is 13%, what will be the firm's cost of common equity using the CAPM approach? c. If the firm's bonds earn a return of 11%, based on the bond-yield-plus-risk-premium approach, what will be r,? Use the midpoint of the risk premium range discussed in Section 10-5 in your calculations. 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