Answer:
Option B.
Economies of scope
Step-by-step explanation:
Economies of scope refer to the reduction in the average total cost of a company's production when there is an increasing variety of goods produced.
It refers costs savings that the firm obtains by producing a variety of goods, which is less than when the goods are produced separately. In this way, there is a maximization of the available resources such as labor, land, machinery and management, which leads to the reduction in the cost.