The relationship between , S, G and e is ______

• A. = ( frac{(GS+e) _w}{(1+e)} )
• B. = ( frac{(G+eS) _w}{(1+e)} )
• C. nC) = ( frac{(G+e)S _w}{(1+e)} )
• D. nD) = ( frac{(G+e) _w}{(1+e)S} )