Which communication channel is best

1. Your boss has a short temper and is a very impatient man. Write a 3 paragraph email to him explaining why you need time off from work. Explain the reason and how you will cover the job responsibilities when away. Use professional language and format. 2. You have heard a rumor on the "grapevine’ that job layoffs and reductions are coming. How should you respond? Who should you communicate with? Which communication channel is best in this situation. 3. You’ve received some information from a friend working at a competitors company that they have a new advanced technology that may threaten your company’s main product line. Who should you communicate to about this? What method would be the best? Formal or Informal? Why? | What if it is only a rumor?