Below is a list of domestic output and national income figures for a certain year. All figures are in billions. The questions that follow ask you to determine the major national income measures by both the expenditures and income approaches. The results you obtain with the different methods should be the same. LO7.4 Personal consumption expenditures $245 Net foreign factor income Transfer payments 12 Rents 14 Consumption of fixed capital (depreciation) 27 Statistical discrepancy 8 Social Security contributions 20 Interest 13 Proprietors' income 33 Net exports 11 Dividends 16 Compensation of employees 223 Taxes on production and imports 18 Undistributed corporate profits 21 Personal taxes 26 19 Corporate income taxes 56 Corporate profits 72 Government purchases 33 Net private domestic investment 20 Personal saving a. Using the above data, determine GDP by both the expenditures approach and the income approach. Then determine NDP. b. Now determine NI in two ways: first, by making the required additions or subtractions from NDP; and second, by adding up the types of income and taxes that make up NI.