Statistical Discrepancy $ 7 Personal Taxes 35 Social Security Contribution 20 Taxes on Production & Imports 25 Corporate Income Taxes50 Transfer Payments 15 U.S. Exports 20 Undistributed Corporate Profit 25 Government Purchases 120 Gross Private Domestic Investment 150 35 U.S. Imports Personal Consumption Expenditure 510 90 Net Private Domestic investment 5 Net Foreign Factor Income Refer to the above data GDP is