1. Use the diagram for this exercise with the helping line to draw a level of aggregate expenditure that would lead to an economy at an equilibrium with a real GDP of $9 trillion. Illustrate the effect of an increase in government purchases of $200 billion when the marginal propensity to consume is 0.75
2. Use the diagram with the helping line to draw a level of aggregate expenditure that would lead to an economy at an equilibrium with a real GDP of $9 trillion. Illustrate the effect of a decrease in autonomous net taxes of $200 billion when the marginal propensity to consume is 0.75.