Cooper Electronics uses NPV profiles to visually evaluate competing projects. Key data for the two projects under consideration are given in the following table. Using these data, graph, on the same set of axes, the NPV profiles for each project using discount rates of $0\%,8\%,$ and the IRR.

A$.$ Determine the payback period of each project.

b$.$ Because they are mutually exclusive, Shell must choose one. Which should the company invest in$?$

c$.$ Explain why one of the projects is a better choice than the other.