Understanding Vertical Integration:

Vertical integration is a business strategy where a company expands its operations into different stages of its supply chain.

In this case, the chocolate-producing company is moving upstream by producing its own milk rather than purchasing it from suppliers.

Why This Is Vertical Integration:

The company controls more of its supply chain, reducing dependency on external suppliers.

Benefits include:

Cost savings on raw materials (by producing instead of buying).

Improved quality control (since the company controls milk production).

Greater market control (reducing reliance on third-party vendors).

Why Other Options Are Incorrect:

B. Unrelated diversification – Incorrect.

Unrelated diversification occurs when a company expands into a completely different industry (e.g., a chocolate company entering the technology sector).

C. Differentiation – Incorrect.

Differentiation refers to creating unique products to gain a competitive advantage, but the strategy here is about controlling supply, not product uniqueness.

D. Focus – Incorrect.

Focus strategy targets a narrow market segment, but this scenario involves expanding into the supply chain, not focusing on a niche.

IIA’s Perspective on Business Strategy and Risk Management:

IIA Standard 2120 – Risk Management requires auditors to assess the risks and benefits of vertical integration strategies.

COSO ERM Framework advises monitoring operational and financial risks associated with supply chain integration.

Porter’s Value Chain Model supports vertical integration as a way to enhance operational efficiency and cost control.

IIA References:

IIA Standard 2120 – Risk Management in Business Strategy

COSO ERM – Managing Vertical Integration Risks

Porter’s Value Chain Model – Supply Chain Control

Thus, the correct and verified answer is A. Vertical integration.