Wages, dividends, interest, rent = $500 Wages, dividends, interest, rent = $500 Firms Imports = $30 Government Rest of Government purchases of Exports goods and = $30 world services = $100 (Figure: Circular-Flow Model) Use Figure: Circular-Flow Model. What is the value of GDP in this economy? $100 O $600 O $400 $5.00 Factor markets Households Consumer spending = $400 Taxes = $100 Goods and services markets Toasters 35 30 25 B D 0 10 20 30 40 50 160 70 Toothbrushes Refer to Figure 2-4. What is the opportunity cost to the economy of getting 30 additional toothbrushes by moving from point A to point D?