For a typical firm, which of the following sequences is CORRECT? All rates are after taxes, and assume that the firm operates at its target capital structure. $($kd $=$ cost of debt; ks $=$ cost of retained earnings; ke $=$ cost of new common stock$)$ A$)$ All three sequences are correct. B$)$ ke $>$ ks $>$ kd C$)$ Two sequences are correct. D$)$ ke $>$ WACC $>$ kd E$)$ ke $>$ WACC $>$ ks