Problem $10\mathrm{.}07($Cost of Common Equity with and without Flotation$)$

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

$r_e=,\%$