2. The price of milk, which is the ingredient in making milkshakes, goes up. In the market of milkshakes, ceteris paribus, you would expect that ____?

A. the supply of milkshakes would decrease and the price of milkshakes would increase.

B. the demand for milkshakes would increase and the price of milkshakes would increase.

C. the demand for milkshakes would decrease and the price of milkshakes would fall.

D. the supply of milkshakes would increase and the price of milkshakes would decrease.