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Net Unplanned Actual aggregate Planned exports investment expenditure or Consumption investment Government (NX) (inventory output (Y) (C) (billions of spending (G) (billions change) (billions of $) (billions of $) $) (billions of $) of $) (billions of $) 500 300 150 100 50 600 350 700 400 800 450 900 500 1. For the table shown, answer the following questions: a. For each level of actual aggregate expenditure, calculate unplanned inventory investment. b. What is the equilibrium level of aggregate expenditure in this economy? How do you know? c. Suppose that planned investment increases by $50 billion. What is the new equilibrium level of aggregate expenditure in this economy? d. What is the marginal propensity to consume in this economy? e. What is the expenditure multiplier in this economy