Part II. Choose the best answer from the given alternatives (1 Point each). 1. Which one of the following is an example of normative economics? A. The life expectancy at birth in Ethiopia is rising B. Poverty and unemployment are the biggest problems in Ethiopia. C. There is a need for intervention of government in the economy. D. All 2. If income of an individual is decrease, and then the demand for good X is increase therefore, good X is A. Substitute good B. Inferior good C. Normal good D. complementary good 3. Any change in price of commodity causes the demand curve to A. Shift up or dawn wards B. Unchanged C. Movement along the same demand curve D. None