Final answer:
Opportunity cost is the sacrificed alternative in decision-making. Laura, Molly, and Paul's choices exemplify opportunity cost.
Explanation:
Opportunity cost represents the most desirable alternative that is given up when making a decision. In the context of the options provided:
- Laura buying a turkey club hero means she foregoes buying something else she desires more, indicating opportunity cost.
- Molly's choice to buy a soda with her lunch represents her missed opportunity to spend that money on a different item or save it.
- Paul opting for cafeteria food over going out with friends displays the opportunity cost of missing out on socializing or other experiences.
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