There should be two graphs in your answer. One for each market. Remember to show an equilibrium starting point and then show the changes caused by the government action. The changes should be on the same graph as the original graph. Explain any assumption you make in your answer.
https://www.youtube.com/embed/DoVdt8HsPFk?wmode=opaque
https://www.youtube.com/watch?v=X30V2EyRV9M (Links to an external site.)