Answer:
A. vertical integration.
Explanation:
A vertical integration is a business strategy a company employs to have a competitive advantage by integrating different supply chain in the industry, which involves acquiring or purchasing other firms that operate within the same production vertical in the same industry, but not firms on the same level. Since Delux Technologies produces a product needed by Imagination Station in its production line, we can say Imagination Station is engaging in vertical integration if it purchase Delux Technologies.