Step-by-step explanation:
a. Net exports = Exports - Imports = $70 - $80 = -$10 b. Net investment = Investment - Depreciation = $50 - $10 = $40 c. GDP = Consumption + Investment + Government Spending + Net Exports = $200 + $50 + $60 - $10 = $300 d. Net Domestic Product = GDP - Depreciation = $300 - $10 = $290 e. National Income = Net Domestic Product + Foreign Factor Income = $290 + $10 = $300