character: Mr. Brown
topic: Cost-Benefit Analysis in Decision Making
grade: 11
subject: Economics
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character: John Smith
topic: Understanding Opportunity Cost
grade: 11
subject: Economics
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character: Sarah Lee
topic: Utilizing Marginal Analysis in Economics
grade: 11
subject: Economics
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character: Linda Green
topic: Evaluating Economic Trade-Offs
grade: 11
subject: Economics
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