Please answer these questions:

Q. No. 1. Distinguish between Micro-Economics and Macro-Economics.
Q. No. 2. Identify four major problems of a society.
Q. No. 3. Explain how and to what extent the use of money in exchange transactions removed the inconvenience of barter.
Q. No. 4. “Compare and contrast the classical labour cost theory of comparative advantage with neo classical factor endorsement theory of International Trade. Be sure to include an analysis of both assumption and conclusion.”
Q. No. 5. Explain in detail the relationship of statistics with economics.