Final answer:
The first step an inbound sales rep should take when dealing with a prospect satisfied with her current provider is to understand her needs and concerns. This could be achieved by asking what she likes about her current provider and if there's anything she'd change.
Explanation:
An inbound sales rep facing a prospect who is satisfied with her current provider and hesitant about switching must initially focus on understanding her needs and concerns. That's why, option (a) where the representative asks what she likes about her current provider and enquires if there's anything she would change indicates the right first step. This approach helps the rep gather important information about the prospect's likes and dislikes and creates a declaration of intent emphasizing customer satisfaction rather than directly persuading to change her existing provider.