character: Mr. Johnson
topic: Opportunity Cost in Decision Making
grade: 11
subject: Economics
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character: Ms. Smith
topic: Trade-offs in Economics
grade: 11
subject: Economics
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character: Mr. Lee
topic: Understanding Scarcity
grade: 11
subject: Economics
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character: Mrs. Thompson
topic: Cost-Benefit Analysis in Economic Choices
grade: 11
subject: Economics
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