Explain when to use each formula and what each variable means for these financial functions.

Po - RPG Rg = +g 2.) Rg = R + BE(E(RM)-R) 3.) WD=D/V, This is the % financed with debt 4.) WE=E/V, This is the % financed with equity 5.) V=D+E 6.) E(R)= P;R, o=P, CR, - E(R)? i=1 8.) WACC = WDRD (1-Tc) + WE RE