Consumption expenditure: C = 8 +0.7Y Investment: I=5 Government purchases: G = 7 Exports: X = 10 Imports: M = 0.2Y 1). What is the equation for the aggregate expenditure curve? 2). What is the equilibrium level of expenditure? 3). What is the equilibrium level of consumption expenditure? 4) What is the Autonomous Expenditure and Induced Expenditure ? 5) what the new equilibrium aggregate expenditure, when the exports changed by 40? 6)