Which of the Following Equations Does NOT State a Condition

Multiple Choice

Which of the following equations does NOT state a condition required for equilibrium output:?

A) Y = C(Y^d) + I + G + CA(EP*/P,Y^d)
B) Y = C(Y - T) + I + G + CA(EP*/P,Y - T)
C) Y = D(EP*/P,Y - T,I,G)
D) R = R* + (EP/E)
E) Y = D(EP*/P,Y^d,I,G)