Please read Carl carwash case study and help me to apply Kotter's steps 4 to 8. And please provide me with the reference and please tell me which reference related to which part please.

Step 4. COMMUNICATING THE CHANGE VISION

5. EMPOWERING EMPLOYEES FOR BROAD-BASED ACTION

6. GENERATING SHORT-TERM WINS

7. CONSOLIDATING GAINS AND PRODUCING MORE CHANGES

8. ANCHORING NEW APPROACHES IN THE CULTURE

Carl is an owner of a local carwash that has struggled to maintain a steady flow of customers in the past months. The reasons for this change range from a poor economy to the recent building of two franchise carwash locations within ten miles of Carl's carwash. Carl knows that if he does not do something quick to change the current status of his carwash he will soon be out of business.

After much deliberation and brainstorming, Carl has decided to introduce an interior shampooing service to the menu of services the carwash offers. The goal is to generate additional revenue and maintain a competitive advantage over other carwashes in the area. From past experience, Carl understands how important it is to use a change model to guide the process of implementing this new service. He turns to Kotter's 8 Steps...