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(a) Calculate GDP using the Income and Expenditure Approach. (all figures are in billions of dollars):

Item Amount ($) Government purchase of goods and services 1,721.6 Exports 1.096.3 Receipts of factor income from the rest of the world 382.7 Depreciation (consumption of fixed capital) 990.8 Net fixed Investments 688.2 Corporate income taxes 265.2 Consumption expenditures 6,739.4 Indirect business taxes 664.6 Imports 1.475.8 Payments of factor income to the rest of the world 343.7 Inventory change 56.5 Social security contributions 702.7 Undistributed corporate profits (retained earnings) 130.3 Government transfer and interest payments 1,366.3 Personal interest payments 286.2 Personal taxes 1.235.7987,156 Currently Working 23,000 volunteer workers 9845 (ages 13-14) looking for work 12,000 (ages 15) looking for work 45,600 Part-Time workers 56 family workers who worked 15 hrs a week 234 Self-Employed 6543 Discouraged Workers 67,432 (ages 23-25) looking for work 67,890 laid off receptionists looking for work 544,321 (ages 16-20) looking for work Current population is 6,000,000 5654 Temp Workers 5000 armed forces 543 recent university graduates that 3500 institutionalized are going back to graduate school