1. Suppose that current account balance is $1400 billion, investment is $1900 billion, and private saving is $1590 billion. How much is the national savings?

2. A country's GDP = $2843, net factor payments from abroad = $291, taxes = $893, transfers received from the government = $422, interest payments on the government's debt = $266, consumption = $2661, and government purchases = $338. Calculate the values of private saving, government saving, and national saving.

3. In a given year, a country's GDP = $6841, net factor payments from abroad = $689, taxes = $669, transfers received from the government = $196, interest payments on the government's debt = $103, consumption = $8148, and government purchases = $85. The country had private saving equal to