Items in Dreamland's national accounts include: Government expenditure on goods and services: $600 Consumption expenditure: $1,950 . Rent and interest: $400 Indirect taxes less subsidies: $350 Investment: $550 Wages: $1,600 Profit: $500 . Net exports: $200 . Depeciation: $450 Questions 1. Use the expenditure approach to calculate GDP. 2. Calculate net domestic income at factor cost. 3. Calculate net domestic income at market prices. 4. Use the income approach to calculate GDP