Must explain selection in order why some are choices false or true and why?

A company is considering a new project. The CFO plans to calculate the project's NPV by estimating the relevant cash flows for each year of the projects life (i.e., initial investment cost, annual operating cash flows and terinal cash flows), then discounting those cash flows at the comapny's overall WACC. Which of the following factors should the CFO INCLUDE in the cash flows when estimating relevant cash flows?

a. All sunk costs that have been incurred relating to the project.

b. All interest expenses on debt used to hep finance the project.

C. The additional investment in net operating working capital required to operate the project, even if that investment will be recovered at the end of the projects life.

d. Sunk costs that have b een incurred relating to the project, but only if those costs were incurred prior to the current year.

e. Effects of the project on other divisions of the firm, but only if those effects lower the projects own direct cash flows.