Suppose the extra cost for an orthodontist to keep his office open for one extra hour is $300. Then, the orthodontist should stay open for the extra hour if he can generate additional revenue of $300 for that hour.

Question

Quizplus · Accepted Answer

The extra cost of $300 should be outweighed by the additional revenue of $300 in order for it to be economically beneficial for the orthodontist to stay open for an extra hour. Therefore, if the orthodontist can generate the additional revenue, they should stay open for the extra hour.

Suppose the Extra Cost for an Orthodontist to Keep His