6. Scarcity, opportunity cost, and marginal analysis Beth is training for a triathlon, a timed race that combines swimming, biking, and running. Consider the following sentence: Because her pool sessions are helping her swim more quickly, Beth plans to reduce by 1 hour per week the time she spends training on the bike and increase by 1 hour the time she spends in the swimming pool; however, her husband says that she should stop doing any biking and running and spend all 20 hours per week in the pool. Which basic principle of individual choice does Beth's plan illustrate that her husband's advice does not? O Resources are scarce. O All costs are opportunity costs. O Many decisions are made on the margin. O People usually exploi-pportunities to make themselves better off. Grade It Now Save & Continue

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6 scarcity opportunity cost and marginal analysis beth is training for

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6. Scarcity, opportunity cost, and marginal analysis Beth is training for a triathlon, a timed race that combines swimming, biking, and running. Consider the following sentence: Because her pool sessions are helping her swim more quickly, Beth plans to reduce by 1 hour per week the time she spends training on the bike