Final answer:
In relationship marketing, bringing in unique value-added services within the delivery system is known as the structural level, which creates exclusive benefits to strengthen the customer-company relationship.
Step-by-step explanation:
The correct answer is:
c. structural level
When a business incorporates unique value-added services into its delivery system that are not easily accessible from other firms, its relationship marketing strategy is centered on creating value at the structural level.
At the structural level of relationship marketing, the focus is on developing deeper, more meaningful connections with customers by offering distinctive and valuable services or features that set the business apart from competitors. These unique value-added services become integral components of the business's offerings, building a strong foundation for long-term relationships with customers. This level of relationship marketing emphasizes creating structural ties that enhance customer loyalty and satisfaction by providing additional value beyond the core product or service.