Horizon Gifts Is Involved in Corporate Gifting Solutions for Large

Horizon Gifts is involved in corporate gifting solutions for large companies.Cal is a long-time user of the service provided by Horizon Gifts,and he often suggests possible clients to the service's sales representatives.Every time the lead Cal has provided actually results in a purchase,Cal receives a free gift,which might be anything from a can of assorted nuts to a wool muffler.Cal acts as a _____ for Horizon Gifts.

A) driver
B) spotter
C) gatekeeper
D) negotiator
E) mediator