Assume that a countrys economy is in long-run equilibrium. a. Using a correctly labeled graph of aggregate demand, short-run aggregate supply, and long-run aggregate supply, show the short- run equilibrium price level, labeled PL1, and output level, labeled Y1. b. Assume that increased uncertainty has reduced business orders for equipment. What is the impact of the change in business orders on each of the following in the short run? i. Aggregate demand. Explain. ii. Employment c. Based on the change in.