Which principle states that people choose something when the benefits of doing so are greater than the costs? 1. Thinking at the margin
2. Incentives matter
3. Costs versus benefits
4. Future consequences count

For the module essay you will write four paragraphs. • in paragraph 1, state one theme a reader can find in twelfth night and explain why it is good advice for the characters in the story • in paragraph 2, describe an event in the play, and explain how one of the characters' actions illustrates the theme • in paragraph 3. describe another event in the play, and explain how one of the characters' actions illustrates the theme • in paragraph 4. restate the theme, and explain why it is good advice for the reader and ons and you may write about either of the following themes (choose only one) • true love with a little from fortune triumphs over man's folly • troubles come and go don't take things too seriously