Which function focuses on enhancing customer relationships through information delivery?

The correct answer highlights the importance of service management in enhancing customer relationships through effective information delivery. Service management is centered around ensuring that customers receive the necessary support and information to feel valued and understood. This involves not just responding to inquiries but proactively engaging with customers to provide relevant information that improves their experience and builds trust.

In contrast to service management, the selling function primarily focuses on completing transactions rather than fostering ongoing relationships. Promotion entails communicating a product's features and benefits, often without a strong emphasis on the ongoing relationship with the customer. Financing deals with the monetary aspects of a business, ensuring that there are suitable means for customers to purchase goods or services, but does not directly pertain to relationship enhancement through information sharing. Thus, service management stands out as the function specifically designed to cultivate and maintain strong customer connections by effectively delivering pertinent information.