please answer these 3 questions and show your work on how you got it

Question 1: During a meeting with your company's CFO, he makes the following statement: \% realize that you have put a lot of time and effort into calculating our company's discount rate of 8%, but I want you to use 10% going forward when analyzing new projects. I want to be conservative with our hurdle rate to reduce our risk of accidentally doing a negative-NPV project." Do you agree with the CFO's plan? Why or why not? What would you say to the CFO in response? Question 2: You have an opportunity to buy a Magic Box. The Box will pay you $100 per year for the next 50 years, starting at period T1. Using a 6% discount rate, what is the value of the Box? What is the value of the Box if the payments continue forever? Question 4: Using an incorrect discount rate to analyze a project will create either a Type / or Type II statistical error. Please describe exactly what this means. These errors inevitably produce two adverse results in a company's perforryance. What are they