Opportunities to differentiate a company's product offering:
A. are most reliably found in the R&D portion of the value chain.
B. are typically located in the sales and marketing portion of the value chain.
C. can exist in activities all along an industry's value chain.
D. usually are tied to product quality and customer service.
E. are most frequently attached to a company's manufacturing expertise and to its ability to achieve scale economies in production.
Answer: can exist in activities all along an industry's value chain.