The company should set the at least 3 rewards that direct to the need of the salespersons and let them choose which one they want after they get the highest volume. Furthermore, excepted giving the rewards the company should announce for the salespersons that have the highest performance to everyone in the company by put on the billboard or via inside e-mail, in order to salespersons will be able to achieve the esteem needs which to be respect and recognition.