Answer:
Option A. Scale refers to cost savings that accrue directly from larger-sized operations, while scope stems directly from strategic fit along the value chains of related businesses.
Step-by-step explanation:
The Economies of scope refers to the savings arising from the same operations and value chains usage by adding an product to the existing product portfolio to lower the average production cost due to increased total production. However the economies of scale says that the increase in production of a product bring efficiencies and as a result the average product cost falls.