?(Computing the cost of common? equity) The common stock for the M&M CorporationM&M Corporation sells for ?$58.0558.05?, and the last dividend paid was ?$2.692.69. Five years ago the firm paid ?$2.012.01 per? share, and dividends are expected to grow at the same annual rate in the future as they did over the past five years. a. What is the rate of growth in the? firm's dividends and the corresponding cost of common equity to the firm using the constant dividend growth rate? model? b. M&MM&M?'s CFO has asked his financial analyst to estimate the? firm's cost of common equity using the CAPM as a way of validating the earlier calculations. The? risk-free rate of interest is currently 4.24.2 ?percent, the market risk premium is estimated to be 5.85.8 ?percent, and M&MM&M?'s beta is 0.760.76. What is your estimate of the? firm's cost of common equity using this? method? Question content area bottom Part 1 a. The rate of growth in the? firm's dividends is enter your response here?%. ?(Round to two decimal? places.)