The Evanec Company's next expected dividend, D1, is $3.03; its growth rate is 5%; and its common stock now sells for $34.00. New stock (external equity) can be sold to net $28.90 per share.

a. What is Evanec's cost of retained earnings?
b. What is Evanec's percentage flotation cost?
c. What is Evanec's cost of new common stock?