Use the data below to calculate GDP using the income approach. (I intentionally left out some of the expenditure categories so that you must use the income approach). Then calculate NDP, NI, PI, and DI. (All gures are in billions of dollars): Gross Private Domestic Investment Proprietor's Income Dividends Wages and Salaries Undistributed Corporate Prots Corporate Income Taxes Imports Government Expenditures Transfer Payments Exports Indirect Business Taxes Consumption of xed capital (depreciation) Net foreign factor income earned in the US. Social Security Contributions Interest Personal Taxes GDP = $ 6287.2' Billion NDP = $ 5515.8' Billion NI = 55 5049.4' Billion PI = $ 5081 .3' Billion DI = :5 4473.1' Billion