Write 2 paragraph on the following below:1. What does the term “chain reaction” refer to in discussing the role of consumer behavior in greater society? Identify and explain with an example.2. Identify and explain the 2 perspectives from which consumer behavior has developed.3. Explain how each of the following disciplines contributes to the study of consumer behavior: economics, psychology, sociology, marketing, and anthropology.4. What two basic approaches to studying (i.e., researching) consumer behavior are discussed in this chapter? How do they differ?5. What is meant by the phrase, “consumer behavior is dynamic”? Identify and explain the marketplace trends that contribute to a dynamic consumer behavior.