Sound customer service implies sound logistics. Customer service has a critical impact on the profitability of the business, and also on the associated costs involved in providing a service (total logistics cost). In the modern global economy, customers are prepared to explore new products and services. one cannot therefore hope to retain customers with inferior customers service- customers will simply not tolerate inferior service. sound customer service is often a reflection of sound logistics. Customer activities typically start at the point of order entry and continue through order processing, invoicing, user support services and complaints handling mechanisms amongst others. So, customer service certainly extends beyond point of product / service delivery into the post delivery period. Critically discuss customer service from two fundamental perspectives.