There is news that the price of Tucker’s Cider Explosion will increase significa

There is news that the price of Tucker’s Cider Explosion will increase significantly next week. If the demand for Tucker’s Cider Explosion reacts only to this factor and shifts to the right, the position of this demand curve has reacted to a change in:
Select one:
a. expectations.
b. income levels.
c. tastes.
d. the price of other goods.