If There Is an Expectation That the Price of a Good

If there is an expectation that the price of a good will decrease in the next month this would immediately

A) move its supply curve to the right.
B) move its supply curve to the left.
C) cause a movement along the supply curve to a (higher price, higher quantity) point.
D) cause a movement along the supply curve to a (lower price, lower quantity) point.