answer 7 and 8 please

Learning Objectives Upon completing this chapter, you will understand the role and nature of communication in business. To achieve this goal, you should be able to 1 Explain the importance of communication to you and to business. 2 Describe the main challenges facing business communicators today. 3 Describe the three main categories of business communication. 4 Describe the formal and informal communication networks of the business organization 5 Describ factors that affect the types and amount of communicating that a business does. 6 Explain why business communication is a form of problem solving. 7 Describe the various contexts for each act of business communication, 8 Describe the business communication process