Eastern Electric currently pays a dividend of about $1.71 per share and sells for $46 a share. a. If investors believe the growth rate of dividends is 6% per year, what rate of return do they expect to earn on the stock? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) Rate of return 9.94 %

b. If investors' required rate of return is 12%, what must be the growth rate they expect of the firm? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) Growth rate

***I'm having a problem with b I put 7.98 and 8 and it says its wrong so hope someone can help

c. If the sustainable growth rate is 6% and the plowback ratio is .4, what must be the rate of return earned by the firm on its new investments? (Enter your answer as a percent rounded to 2 decimal places.) Rate of return 15 %