The relationship between γ, S, G and e is ______

• A. γ=\(\frac{(GS+e) γ_w}{(1+e)}\)
• B. γ=\(\frac{(G+eS) γ_w}{(1+e)}\) C) γ=\(\frac{(G+e)S γ_w}{(1+e)}\) D) γ=\(\frac{(G+e) γ_w}{(1+e)S}\)
• C.