the following answer to the question is true.
Insane, he is acting completely mad so insane like he is unable to control what he is doing, he is acting crazy. Hope I can help!
1.- Wow! That is a great idea. I'd love to join you, but I have a softball tournament that day.
2- Uncle Carl said, "we would like you to come to the reunion." but my mom told him that we would not be able to make it.
3- Because I had a dentist appointment at 1:30 pm, I had to leave school early.
4- The story, called out in the woods, is one of my favorites.
The correct option is D.
Marginal cost refers to the amount of money it cost a company to produce one more of a particular product while the marginal benefit refers to the benefit that is obtained as a result of producing that one extra product. Profit is maximized when the marginal cost equals the marginal benefits.