We have the following information for the economy of Machinland for the year 2009. All data are in billion dollars. Category Value Nonresidential Investment $1,000.00 Consumption of Durable Goods 1,100.00 Residential Investment 600.00 Change in Business Inventories - 50.00 Imports 650.00 Government Purchases 1,700.00 Exports 400.00 Depreciation 124.00 In Machinland, for 2009, Gross Private Domestic Investment = $ billion