The Purpose of Comparing Sales from One Salesperson to Another

The purpose of comparing sales from one salesperson to another or one territory to another is:

A) to punish salespeople who do not achieve at the level to others do
B) to promote salespeople who sell more than others do
C) to determine what sales activities and techniques have the best results
D) to send poorly-performing salespeople to additional training sessions
E) to ask high-performing salespeople to mentor the low-performing salespeople