character: Ms. Lee
topic: Understanding Opportunity Cost
grade: 11
subject: Economics
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character: Mr. Smith
topic: Exploring Trade-offs in Economics
grade: 11
subject: Economics
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character: Ms. Johnson
topic: The Concept of Scarcity and Choice
grade: 11
subject: Economics
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character: Mr. Brown
topic: Cost-Benefit Analysis in Decision Making
grade: 11
subject: Economics
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