The Evanec Company's next expected dividend, Di, is $3.40; its growth rate is 7%; and its common stock now sells for $31.00. New stock (external equity) can be sold to net $24.80 per share. a. What is Evanec's cost of retained earnings, rs? Do not round intermediate calculations. Round your answer to two decimal places. Is = % b. What is Evanec's percentage flotation cost, F? Round your answer to two decimal places. % c. What is Evanec's cost of new common stock, re? Do not round intermediate calculations. Round your answer to two decimal places. re %