5 The graph below depicts an economy where a decline in aggregate demand has caused a recession. Assume the government decides to conduct fiscal policy by changing taxes to reduce the burden of this recession. Fiscal Policy 150 LRAS 140 AS 130 120 110 100 Price Level AD 40 AD 30 0 80 160 240 320 400 480 560 640 720 800 Real GDP (hillinns of dollars)Real GDP (billions of dollars} Instructions: Enter your answer as a whole number. If you are entering a negative number include a minus sign. a. How much does aggregate demand need to change to restore the economy to its longrun equilibrium? $ billion b. lfthe MPC is 0.6, how much do taxes need to change to shift aggregate demand by the amount you found in part a? 55 billion Supp05e instead that the MPC is 0.8. c. How much does aggregate demand and taxes need to change to restore the economy to its longrun equilibrium? Aggregate demand needs to change by $ |:| billion and taxes need to change by 15 billion