Which of the following should you include when estimating a project's cash flows?

I$)$ Sunk Costs

II$)$ Externalities

III$)$ Financing Costs

IV$)$ Opportunity Costs

V$)$ Depreciation

I, II$,$ and III

II$,$ IV$,$ and V

III and V

I,$IV,$ and $V$

I, II$,$ and V