Discussion 1 33 unread replies.33 replies. Using what you now know after reading both chapters 1 and 2, you should be able to differentiate and explain how the 3Ps of customer service are used to gain a competitive advantage. The 3 Ps of Customer Service include People, Process, Product. Research on the internet to find articles on which retailers had the lowest and highest scores for customer service. Using concepts and terminology from the assigned textbook, compare and contrast retailers who had high scores for customer service to those retailers who received lower scores. Discuss, which elements of the 3Ps were utilized well, or not well.