For the Consumer to Act Rationally (I

Multiple Choice

For the consumer to act rationally (i.e., achieve the greatest amount of satisfaction) , he or she must:

A) maximize the sum of the marginal utilities of the last unit purchased of all goods in his or her budget.
B) equalize the marginal utilities of the last unit purchased of all commodities.
C) purchase no inferior goods.
D) equalize the marginal utilities of the last dollar spent upon each commodity or service purchased.
E) do none of the above.