Through The future samnings, dividends, and common stock price of Callahan Technologies Inc. are expected to grow 5% per year. Callahan's common stock currently sells for $20.00 per share, its last dividend was $2.00; and it will pay a $2.10 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 two decimal places b. If the firm's beta is 1.0, the risk-free rates 7, and the average retum on the market is 10%, what will be the firm's cost of common equity using the CAPM approach Round your answer to two decimal places c. If the firm's bonds earn a return of 13%, based on the bond-yreld-plus-risk-premium approach, what will be use the judgmental risk premium of 45 in your calculations. Round your answer to two decimal places . t you have equat 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