Answer:
Gary should be layed off
Step-by-step explanation:
With better sales record of Gary, he doesn't have good personal relationships with clients as well as other workers, as a result of this future sales could be reduced which is not good for the company.
Brenda sales record required improvement, though her interpersonal skills is very good, then she could be thought how to make better sales compare with teaching someone how to behave in a mannered way