9. The economy of a country produces a total income (YYY) of $15,000 billion. Households consume (CCC) $9,000 billion and pay taxes (TTT) of $3,000 billion. The government spends (GGG) $4,000 billion on goods and services. There is no international trade, and all investment comes from domestic savings.
Calculate
a. private savings
b. public savings
c. national savings
d. Is the government running a budget deficit or a budget surplus?
e. What is the available investment for the economy