Prior to returning the car to customers at the end of repair work, Gong-Auto has been offering a free car wash that has been popular among customers. However, recently there have been a few complaints from customers about the washing. During a discussion, one of the employees suggested having a supervisor check the quality of the wash before delivering the car to the customer. Discuss the merits of this suggestion in relation to Total Quality Management (TQM) and suggest an alternative method of addressing the same problem and compare the relative merits of the two methods