A graph shows Price on the vertical axis and Quantity on the horizontal axis. Curve S1 is upward-sloping from left to right, with Point A being to the left of Point B. Curve S2 is upward-sloping from left to right, parallel and to the right of S1, with Point C having the same price as Point B. On the diagram shown above, a movement from A to B represents a: ANSWER Unselected change in quantity supplied. Unselected movement down the supply curve. Unselected change in supply. Unselected decrease in supply