character: Mr. Smith
topic: Understanding Opportunity Cost
grade: 11
subject: Economics
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character: Mr. Johnson
topic: Trade-offs in Economic Decisions
grade: 11
subject: Economics
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character: Ms. Lee
topic: Comparative Advantage in Economics
grade: 11
subject: Economics
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character: Mr. Brown
topic: Scarcity and Resource Allocation
grade: 11
subject: Economics
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