Calculate the Gross Domestic Product using the total expenditure approach: Consumption Expenditures: $500 billion Wages and salaries: $400 billion (Gross Private) Investments Expenditures:$80 billion Government Expenditures: $100 billion Taxes: $70 billion Imports: $50 billion Exports: $30 billion GDP is $1130 billion GDP is $760 billion GDP is $660 billion