Use the following data to answer the questions below. All figures are in billions. Receipts of factor income Payments of factor income Consumption Net Private Domestic Investment 79.2 Rent Proprietor's Income Net Exports Wages and Salaries Government Purchases Depreciation Taxes on Production and Imports 43.2 Corporate Profits 15 5.4 588 33.6 79.2 26.4 535.2 172.8 64.8 134.4 Interest 31.2 A. Calculate GDP by the expenditures approach. B. Calculate GDP by the income approach. C. Calculate NI. D. Calculate GNP.