Jill, an economics student, has already spent 5 hours cleaning her room. In deciding whether or not to continue cleaning for another hour, she applies the economic principle(s) of

Question

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Jill is considering whether or not to continue cleaning for another hour, which is a decision made at the margin. By thinking in terms of marginal benefits and marginal costs, Jill can determine whether the additional hour of cleaning is worth the time and effort. Therefore, the economic principle applied in this scenario is choosing at the margin.

Jill, an Economics Student, Has Already Spent 5 Hours Cleaning