Suppose GDP equals $9 trillion, consumption share is 0.7 and the government expenditure share is 0.2. Suppose this economy has a budget surplus of $800 billion.
b. If the government increased the tax income by 15%, find public saving, taxes, private saving, national saving, and investment based on the assumption that consumers save all extra income
c. Redo part b when consumers save exactly half of the extra income.