Payback and NPV Neil Corporation has three projects under consideration. The cash flows for each of them are shown in the following table: a. Calculate each project's payback period. Which project is preferred? b. Calculate each project's net present value (NPV) assuming a(n) 17% cost of capital. Which project is preferred according to this method? c. Comment on your findings in parts a and b, and recommend the best project. a. The payback period of project A is 2.5 years. (Round to two decimal places.) The payback period of project B is years. (Round to two decimal places.) (Click on the icon here in order to copy the contents of the data table below into a spreadsheet.)