The transactions in ABC Nation last year were: arked out of 5.00 Item Dollars Wages paid to labour Consumption expenditure 425,000 Net taxes 210,000 Profits 230,000 240,000 Investment Government expenditures Exports 235,000 265,000 Saving Imports 270,000 a) Calculate ABC Nation's GDP. b) What information do you need to calculate net domestic product at factor cost? c) Where does ABC Nation get the funds to finance its investment?