The fature eamings, dividends, and common stock price of Callahan Technologies inc, are expected to grow 5% per year, Callahsn's common stock currenty sells for $29.75 per share: ts last dividend was $1.80; and it will pay a $1.89 dividend at the end of the current year- a. Using the DCF approach, what is its cost of common equity? Do not round intermediate caiculations. Round your answer to two decimal piaces. 6. If the firm's beta is 0.9, the risk-free rate is 8%, and the aversge retum on the market is 12%, what will be the firm's cost of common equity using the CApM approach? Plound your antwer to two decimal places. c. If the firm's bonds earn a return of 10%, based on the bond-yield-plus-risk-premium approach, what wall be r,7 Use the miapoint of the risk premium rangn discusted in 5ection 10-5 in vour calculations. ound 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 intermediate calculations. Round your answer to two decimal places