Gossen's Second law states that

A. The consumers consume only when $$\frac{{{P_x}}}{{{P_y}}} = M{U_m}$$

B. When the income increases the money value or real income will decrease

C. Once a person has spent his entire income he would have maximised his total pleasure from it only if the satisfaction gained from the last item of each commodity bought was the same

D. None of these

Answer: Option C