Please make sure to include detailed step-by-step calculations. If possible, describe your thought process in each step so I can learn the methodology for future problems. Will leave a thumbs up if answer is detailed! Thank you :)

Madeleine Blanger company is considering Projects A and B with the following information: Cashflows a. If Madeleine's cost of capital is 15 percent, rank the projects on the basis of the IRR criterion. b. Why should Madeleine not choose between the projects on the basis of the IRR ranking determinated in a ? c. What general conclusion can be drawn from your explanation in part b