An Economy of Scope Is BEST Illustrated by Being Able

An economy of scope is BEST illustrated by being able to eliminate or reduce costs by

A) combining related value-chain activities of different businesses into a single operation.
B) performing all of the value chain activities of related sister businesses at the same location.
C) extending the firm's scope of operations over a wider geographic area.
D) expanding the size of a company's manufacturing plants.
E) having more value chain activities performed in-house rather than outsourcing them.