Think about a country where most economic production results in a terrible smell that makes people sick. what would be the trade-off if the bad result (a terrible smell) were reduced?

Explanation:

The bad smell is a cost into the society that result from production of goods. A trade-off is what you give up to benefit from the choice of another alternative. If the bad result was removed, there would be a trade-off between having a good environment and production of commodities for the purpose of growing economically. If production of goods is reduced, it means the quality of life will improve and that enhances development.

b is the correct answer

answerjointly by the fed and by the behavior of individuals who hold money and of banks in which money is held;