exchanged expectation receipt purchase devoted to Customer service is the provision of service to customers before, during and after a ________. Customer service is a series of activities designed to enhance the level of customer satisfaction – that is, the feeling that a product or service has met the customer _________. Its importance varies by products, industry and customer; defective or broken merchandise can be__________ , often only with a ______and within a specified time frame. Retail stores will often have a desk or counter ________ dealing with returns, exchanges and complaints, or will perform related functions at the point of sale; the perceived success of such interactions being dependent on employees.