Suppose That U = U(P, M), Where P and M

Multiple Choice

Suppose that U = U(P, M) , where P and M are peanuts and marshmallows. The marginal utility of marshmallows, MU_M, is given by:

A) P + M.
B) P/M.
C) ΔU(P, M) /ΔM.
D) ΔU(P, M) × ΔM.