The aggregate supply curve is vertical in the long run. Which of the following correctly describes the rationale behind it? Group of answer choices The wages and prices are flexible in the short run and are sticky in the long run, which makes the long-run aggregate supply vertical. The wages and prices are flexible in both the short run and long run, which makes the long-run aggregate supply vertical. The wages and prices are sticky in the short run and flexible in the long run, which makes the long-run aggregate supply vertical. The wages and prices are sticky in both the short run and long run, that makes the long-run aggregate supply vertical. The wages and prices are neither sticky nor flexible in the long run, which makes the long-run aggregate supply vertical.How can an expansionary fiscal policy be useful in an economy? Group of answer choices Decreasing money supply can help relieve inflationary pressures in the economy. Increasing tax rates can help relieve inflationary pressures in the economy. Decreasing tax rates can help relieve inflationary pressures in the economy. Increasing government expenditures can help relieve recessionary pressures in the economy. Increasing money supply can help relieve recessionary pressures in