If, After a Person Buys a Set of Goods with His/her

Multiple Choice

If, after a person buys a set of goods with his/her income and total utility is not maximized, then

A) some change in the composition of the goods bought will increase utility
B) we know that the prices were not equal
C) we know that the MU/P for all goods had to be equal
D) we know that marginal utility of the last good purchased was higher than the total utility of the set of goods bought
E) the law of diminishing marginal utility does not apply in this case