The Evanec Company's next expected dividend, D1, is $3.71; its growth rate is 4%; and its common stock now sells for $36. New stock (external equity) can be sold to net $34.20 per share a. What is Evanec's cost of retained earnings, rs? Round your answer to two decimal places. Do not round your intermediate calculations. Is = % b. What is Evanec's percentage flotation cost, F? Round your answer to two decimal places. F = % c. What is Evanec's cost of new common stock, re? Round your answer to two decimal places. Do not round your intermediate calculations. re = %