QUtSIIUN 5 After a busy week of work, Suzy decided to treat herself to a movie marathon. She heads towards her favourite cinema and plans to watch as many movies as she wants. Suzy took a taxi to the cinema which costs $9. At the cinema, Suzy is considering how many movies she should watch if she were to think like an economist. For her first movie, Suzy expects to gain an incremental benefit of $21. For her second movie, she gains only incremental benefits of $15, then $11 from the third and $7 from the fourth. A single movie ticket will cost $10. In determining how many movies Suzy should be watching, the travel cost to the cinema via taxi is a/an . Type A for Average cost, M for Marginal cost, S for Sunk cost or O for Opportunity cost. Using marginal analysis, how many movies should Suzy be watching at the cinema? . The maximum surplus for Suzy, from watching the number of movies you found in part b, is $. Answer to the nearest whole number (with no decimal places)