3. Using the expenditure approach, calculate GDP using the following data. Amount in dollars Item (billions) Consumption 7,600 Consumption of Durable Goods 1,600 Consumption of Non Durable Goods 2,800 Consumption of Services 3,200 Investment 2,750 Fixed Investment 1,000 Government purchases of Goods & Services 1.675 Government Transfer Payments 450 Exports 750 Imports 1,600 GDP Equals