5. Using the graph below to answer the questions. Price (S/textbook) 240 200 160 120 80 40 100 MR 200 300 MC 400 500 600 a. Quantity (textbooks/week) Compute the value of consumer and producer surplus at the efficient market equilibrium where all mutually beneficial exchange is taking place. b. What price and quantity combination would an imperfectly competitive firm (such as a monopoly) establish? C. Compute the value of consumer and producer surplus at this profit maximizing output (Q)

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8 Write an email (120-150 words) to ask for • information about an activity that you would like to do. Use an idea from the list or your own idea. Follow the content checklist and remember to use indirect questions. a course at a college or with a one-to-one tutor a sport / activity at a gym joining a volunteering group Checklist • how you heard about the course / activity/group ⚫ the days and times ⚫ the cost if you need any experience / skills • if you need any equipment

Why Do We Need to Use Cash Flows in Economic Analysis?