Household saving =20, business saving=40, government purchases of goods service=10, government transfers and interest payments=10, Tax collection=15,
GDP=220.
b) GDP=600, Tax collection=120, Government transfers and interest payments=40,
Consumption expenditures=450, Government budgets surplus=10
c) Consumption expenditures=400, Investment=100, Government purchase=100,
Net exports=0, Tax collection=150, Government transfers and interest payments=50
提问,怎么样计算 private saving, public saving 和 national saving