pls help!

'he Evanec Company's next expected dividend, D1, is $3.49; its growth rate is 5%; and its common stock now sells for $33.00. New stock (external equity) can be sold to net $26.40 per share. a. What is Evanec's cost of retained earnings, rs ? Do not round intermediate calculations. Round your answer to two decimal places. rs=% b. What is Evanec's percentage flotation cost, F? Rouncryour answer to two decimal places. F=% c. What is Evanec's cost of new common stock, re? Do not round intermediate calculations. Round your answer to two decimal places. re=%