Weegy: Exchanging baseball cards between friends is an example of bartering.
User: If the marginal benefit of an activity is greater than the marginal cost of an activity, then you are better off
Weegy: Marginal cost is the increase or decrease in the total cost of a production run for making one additional unit of an item.
User: Carol works in the same company as Bob. She performs the same work, but receives a lower salary. This is an example of
Weegy: Carol works in the same company as Bob. She performs the same work, but receives a lower salary. This is an example of wage discrimination.
User: The machines used to make cars are examples of
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