You have 3 projects with the following cash flows:

Project 1: Year zero: -150, Year one: 20, Year two: 40, Year three: 60, Year four: 80

Project 2: Year zero: -825, year one: 0, year two: 0, year three: 7000, year four: -6500

Project 3: year zero: 20, year one: 40, year two: 60, year three: 80, year four: -245

Question 1: Estimate the IRR for each project (nearest 1%) and what is the NPV of each project if the cost of capital is 5%, 20%, 50%?