4. Measuring GDP The following table shows data on consumption, investments, exports, imports, and government expenditures for the United States in 2015, as published by the Bureau of Economic Analysis. All figures are in billions of dollars. Fifi in the missing cell's in the table to calculate GDP using the expenditure approach. Data ( Billions of dollars) Consumption (C) 12,283.? Investment (I) 3,056.6 Exports (X) 2,264.3 Imports (M) 2,786.3 Net Exports of Goods and Services E Government Purchases (G) 3,218.3 Gross Domestic Product (GDP) E