Refer to the figure above. Suppose that retailers learn that a new Shrek movie will be released next month. That news is likely to cause:

A.no immediate change in supply, since the only effect will involve demand.

B.an immediate shift in the supply curve to Supply B in anticipation of increased future prices.

C.an immediate shift in the supply curve to Supply A in anticipation of increased future prices.

D.no immediate change in supply, but a decrease in the quantity supplied.

正确答案：an immediate shift in the supply curve to Supply A in anticipation of increased future prices.