Read the Case Study on page 322 of the course textbook and answer the following questions: a. How does central planning of an economy differ from market economies? b. What has been the result of the transition from a centrally planned economy to a market economy in countries that were part of the Soviet Union?Your response should be at least 200 words in length. All sources used including the textbook must be referenced; paraphrased and quoted material must have accompanying citations.(2012). International economics. (Vol. 1 pp. 336-337). The McGraw-Hills Companies.In-text citation(International economics 2012)