Tom Is Buying a Quantity of Wheat at Which the Marginal

Tom is buying a quantity of wheat at which the marginal utility (in dollars) exceeds price.He should

A) reduce wheat consumption, thus raising P to the level at which MU = P.
B) reduce wheat consumption, thus raising MU to the level at which MU = P.
C) increase wheat consumption, thus raising P to the level at which MU = P.
D) increase wheat consumption, thus lowering MU to the level at which MU = P.