Answer:
The correct answer is letter "A": industry-wide differentiation strategy.
Step-by-step explanation:
An industry-wide differentiation strategy aims to broaden the scope of a business that is specially dedicated to the retail of products of a certain industry. The company keeps focusing on the same industry but supplying more related products consumers their typical consumers are likely to purchase. Part of the strategy implies reaching new markets, thus, investment in new locations might be necessary.