a$.$ What is Evanec's cost of retained earnings, $r_5?$ Do not round intermediate calculations. Round your answer to two decimal places.

$r_s=$

b$.$ What is Evanec's percentage flotation cost, F$?$ Round your answer to two decimal places.

$F=C$

c$.$ What is Evanec's cost of new common stock, $r_e?$ Do not round intermediate calculations. Round your answer to two decimal places.

$r_e=,\%$