Mr. Flanagan has decided to go to college instead of working full time. The money he could have earned is called Marginal Benefit PACED Model Opportunity Cost Total Cost

opportunity cost

Explanation:

The amount of money that he could have earned from working the job, if he would have chosen to do that instead of going to college is known as an opportunity cost. This is because it is the cost that Mr. Flanagan decided to accept in order to pursue another goal, which in this case was going to college. In the opposite choice, if Mr. Flanagan had decided to work a full-time job instead of going to college his opportunity cost would have been the education and high-paying job offers he could have gotten.

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i am confused, what is the question? i can you out if you put it into more depth.