A graph has time on the x-axis and Economic output on the y-axis. 5 points are connected with a curved line. Point 1 increases to point 2, which is the highest point. Point 2 drops significantly to point 3. Point 3 drops significantly to point 4, which is the lowest point. Point 4 increases to point 5, which is at the same level as point 3. Imagine that this business cycle graph represents the changes