Which of the Following Are Correct Methods for Computing the Operating

Which of the following are correct methods for computing the operating cash flow of a project assuming that the interest expense is equal to zero?
I. EBIT + Depreciation - Taxes
II. EBIT + Depreciation + Taxes
III. Net Income + Depreciation
IV. (Sales - Costs) * (Taxes + Depreciation) * (1 - Taxes)

A) I and III only
B) II and IV only
C) II and III only
D) I, III, and IV only
E) II, III, and IV only