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D Question 11 The graph below shows a consumption function. 6000 5000 45-degree line 3000 Consumption per period (billions of d Consumption 2000 1000 1000 2000 3000 4000 5000 6000 Disposable personal income per period (billions of dollars) When disposable personal income is equal to $4,000 billion, how much is consumption? D Question 12 Alwihya's disposal income increases by $ 1000 and she spend $ 600. Alwihya's O MPC is 0.6 and she saves $ 600 O MPC is 0.6 and she saves $400 O MPS is 0.6 and she saves $ 400 O MPC is 0.4 and she saves $400 DI Question 13 In the aggregate expenditure model if MPC=0.75 and investments increase by $ 6 billion, equilibrium GDP will increase by $ 6 billion $ 8 billion $ 12 billion $ 24 billion Question 14 The diagram below is a representa tical economy. If the MPC is 0.75, what is the new level of GDP when aggregate expenditures go up by two million? (give your answer in millions) 2 Million 112