Consumers will maximize satisfaction when:

(A) The price of each good is exactly equal to the price of every other good
consumed.
(B) The price of each good is exactly equal to the total utility derived from the
consumption of every other good.
(C) The marginal utility of the last dollar spent on each good is exactly equal
to the marginal utility of the last dollar spent on any other good.
(D) Marginal utility is equal to average utility.