Eastern Electric currently pays a dividend of $1.64 per share and sells for $27 a share. if investors believe the growth rate of dividends is 3% per year, what rate of return do they expect to earn on the stock? If investors' required rate of return is 10%, what must be the growth rate they expect of the firm? If the sustainable growth rate is 5% and the plowback ratio is .4, what must be the rate of return earned by the firm on its new investments