This assignment involves a comprehensive analysis of customer service, including its definition, types, role in marketing, and the use of customer service policies. It also delves into the importance of customer experience, citing research from various sources such as academic journals and online articles. The assignment provides a detailed examination of how customer service can be improved through IT-enabled collaborative decision making, ethical work climate, and proactive customer service performance. Additionally, it discusses the role of servant leadership in fueling the service fire and optimizing cost and customer service level in a supply chain under disruption risks.