4. Suppose that AD and AS for a hypothetical economy are as shown in the following table. MPC is 0.8. Amount of real domestic output demanded_Price level Amount of real domestic output supplied (in billions) (price index) (in billions) $300 $300 $700 400 250 600 500 200 500 600 150 400 700 100 300 a. In SR, this economy's equilibrium price level is and equilibrium real output is b. Suppose this country's GDP at natural rate of unemployment is $400B. Is this country in the recessionary gap or in the inflationary gap? c. Suppose Government decided to change its purchases to eliminate the above gap, Government should spending by billion. Which curve will government's action change