Please help with this review problem. I need step by step showing your work so I can study. PLEASE answer ALL problems and letters. I WILL GIVE GOOD RATING!!!

5. Write a brief essay (maybe three paragraphs) on one of these two questions. Specific reference to material from our work this term, as well as organization and clarity, will have a substantial impact on your grade. 20 Points.: a. Suppose a member of the Congress wanted to learn some microeconomics but, what with various other demands on their time, they were only able to focus on one topic . What topic would you advise them to focus on due to its being most useful to a policy maker? Be specific. OR b. Have any of the models and analyses we've discussed this semester caused you to reconsider your opinion on some matter of economic policy (for example, minimum wages, tax policy, income support policy, regulation of monopolies, externalities and public goods, etc.)? Explain. Be specific