Table 13-1:National Income Accounts for Agraria,an Open Economy (bushels of wheat) TABLE 13-1 National Income Accounts for Agraria,an Open Economy (bushels of wheat) GNP Consumption Investment +Government Exports -Imports (total output) purchases 100 75a + 25 10 10 -20P a55 bushels of wheat +(0.5bushel per gallon)x(40gallons of milk). b0.5bushel per gallon X 40gallons of milk. 13-12 Copyright 2012 Pearson Education.All rights reserved.Copyright © 2012 Pearson Education. All rights reserved. 13-12 Table 13-1: National Income Accounts for Agraria, an Open Economy (bushels of wheat)