Answer:
gatekeepers
Explanation:
Business center is also known as Decision Making Unit. There are five main roles in the buying center. User, Influencer, Decider, Buyer, Gate Keeper. It bring all the member of the organization together who are involved in the buying process of a particular product or service. Gatekeeper are the ones who control the flow of information to and among the other salesperson within the business center. Here the receptionists is also acting as a gate keeper between client and sales person.
