Spending Multiplier

19. In the following figure, the economy is initially in equilibrium at full-employment at point \"\". Assume that consumption falls by 100 leading to a shift in AD from AD]1 to AD2. a. What is the new short-run macroeconomic equilibrium price and output? b. How large is the spending multiplier if there were no changes in the aggregate price level? c. How large is the spending multiplier if the aggregate price level adjusts to the new equilibrium