Bill Is the Leader of His Sales Team at Work

Bill is the leader of his sales team at work, and he wants to increase the amount of revenue the team generates. Which of the following would probably not be useful, according to research reported in the text?

A) Give a 10% bonus to the team member who brings in the most new business.
B) Give an equal bonus to each team member if the team surpasses its sales goal.
C) Reduce the pay of the team member who is performing the most poorly.
D) Organize a trip to a conference so that the team members can learn more about the business and get more interested in their tasks.