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' Question 1 6 The data in the rst two columns below are for a closed economy. Use this table to answer the following questions. 20 points Real GDP Aggregate Net Aggregate = DI Expenditures Exports Imports Exports Expenditures (billions) (billions) (billions) (billions) (billions) (billions) 500 560 40 50 Number Number 550 590 40 55 Number Number 600 620 40 60 Number Number 650 550 40 65 Number Number 700 630 40 70 Number Number 750 710 40 75 Number Number