Using aggregate supply and aggregate demand curves, indicate what impact each of the following would have on the price level and on the equilibrium level of aggregate output in the short run. (a) The economy is operating at low capacity -- the Fed buys bonds in the open market. (b) The economy is far below capacity and the government increases government spending (c) The floods in the Midwest in 1993 destroyed a large portion of the United States' agricultural crops. (d) The economy is at maximum capacity - the Fed drops the Federal Funds rate (key interest rate)