2. Assume a model with a Keynesian aggregate demand curve and neo-classical aggregate supply curves. Using this model, please answer the following questions: a. Show that the economy starts in a recession. (4 points) b. On a separate graph, show the supply-side (or classical, or do nothing) approach to recession. Explain. (4 points) c. On a separate graph, show the demand-side (or Keynesian, or do something) approach to recession. Explain. (4 points) d. What approach was employed by policymakers in the United States after the Covid pandemic? Explain. (3 points)