Part III (20 points) In this question, you are to show what happens to consumers' surplus and what happens to producers' surplus when a price ceiling is imposed on a perfectly competitive free market The question can be answered using t graph, but you can use 2 graphs (one for "a" and one for "" you want a. Consider a perfectly competitive free market. Using a graph, show the consumers' surplus and the producers' surplus. (7 points) b. Now suppose the government imposes a price ceiling. What is the consumers' surplus now? what is the producers' surplus now? (7 points). c. Explain what your answers to part b tell us about the wisdom of using price ceilings (6 points)