Answer:
The correct answer is the option C: Downward sloping.
Step-by-step explanation:
To begin with, the concept known as "Economies of Scale" is a vary famously term in the microeconomics theory due to the fact that it refers to the particular situation that a company achieves when their costs are at the lowest possible point in the long run becuase of the great volumen in production that the organization is starting to handle so that means that the more they start to produce the less the amount that the company will have to spend in the costs. Therefore that the curve in the graphic will be downward sloping due to the decrease of the prices in the costs implicating the amount that the company is handling.