What is supply and demand

Supply and demand is basically what people want and how much of the product the producer has.

Explanation:

So if 40 people wanted something, (demand) and the producer will have to make 40, or sell 40, (supply.) and at times there will be more demand then supply, and that is called a shortage.

According to Definition:

Supply and Demand is the amount of a commodity, product, or server available and the desires of buyers for it, considered as factors regulating its price.

answer

the best answer is c