In each part that follows, use the economic data given to nd national saving, private saving, public saving and the national saving rate. (a) Household saving = 200 Business saving = $400 Government purchases of goods and services = 100 Government transfers and interest payments : 100 Tax collections = 150 GDP = 2200 (b) Consumption expenditures : 4000 Investment = 1000 Government purchases = 1000 Net exports = 0 Tax collections : 1500 Government transfers and interest payments = 500