A graph shows Price on the vertical axis and Quantity on the horizontal axis. Curve D1 is downward-sloping from left to right. Curve D2 is downward-sloping from left to right, parallel and to the right of D1. Point A is on D1. Point B is on D1, to the right of Point A. Point C is on D2, at the same price as Point A and to the right of Point B. On the diagram shown above, a movement from A to C represents __________. ANSWER Unselected a change in quantity demanded Unselected an increase in demand Unselected a decrease in demand Unselected a movement up the demand curve