Use the data below to answer the questions that follow Item Amount(billions of dollars) Consumption expenditures 400 Government purchase 100 Interest and investment income. 40 Profit of corporations and public enterprises. 80 Income from farms and unincorporated business. 50 Wages,salaries and supplementary labor income. 350 Capital consumption allowance (depreciation). 60 Investment. 150 Exports. 56 Imports. 36 (Indirect) taxes less. 90 A calculate net export B. Use the expenditure approach to calculate Gdp C. Use the income approach to calculate GDP