Refer to the above diagram. A decrease in quantity demanded is depicted by a:

Refer to the above diagram. A decrease in quantity demanded is depicted by a:

Refer to the above diagram. A decrease in quantity demanded is depicted by a: 




A. move from point x to point y.
B. shift from D1 to D2.
C. shift from D2 to D1.
D. move from point y to point x.



Answer: D