1.Which of the following is NOT a prediction of marginal utility theory?
(A) Other things being equal, the higher the price of a good, the lower is the quantity demanded.
(B) Other things being equal, the higher the price of a good, the higher is the consumption of substitutesfor that good.
(C) The "equilibrium" in the real world means that households have spent their incomes in such a waythat their overall satisfaction is maximized.
(D)If two households have identical preferences but different incomes, the wealthier one will havelower satisfaction for most goods.
(E) The rational spending rule.