The Evanec Company's next expected dividend, D1, is $3.73; its growth rate is 4%; and its common stock now sells for $35.00. New stock (external equity) can be sold to net $28.00 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? Round your 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 = %