please explain the chapter in a very simple way and highlight things so i can un

please explain the chapter in a very simple way and highlight things so i can understand and do some case study example questions with the answer for each lesson i will uplad the chapters, the attributes of mobile phone is for decision making Chapters/Topics: Decision Making; Chapter 9 Post Purchase Behaviors: Chapter 10 Personality and Self Concept: Chapters 6 and 7 Groups and Word of Mouth: Chapter 11 Format: 4-5 essay style application questions drawing on content and your group project experience. Calculator: Might need it