Must have the book. Chapter 1 and 2 Customer relationship management (CRM) concepts have been in use since the early 1990s (Buttle & Maklan, 2019). There are two main schools of thought regarding the term “customer relationship management,” those who perceive it as an information technology perspective, and those who perceive it in a broader holistic perspective of the relationship between the business and the customer experience. Make a case for either the information technology (IT) perspective OR the managerial perspective. Explain your reasoning. Define the meanings of, and the relationships between, customer satisfaction, customer loyalty and customer engagement.Customer relationship management (CRM) concepts have been in use since the early 1990s (Buttle & Maklan, 2019). There are two main schools of thought regarding the term “customer relationship management,” those who perceive it as an information technology perspective, and those who perceive it in a broader holistic perspective of the relationship between the business and the customer experience. Make a case for either the information technology (IT) perspective OR the managerial perspective. Explain your reasoning. Define the meanings of, and the relationships between, customer satisfaction, customer loyalty and customer engagement.