Which of the following is an acceptable way to find the operating cash flow for a capital budgeting project? a. Top-down approach: OCF = EBIT + Depreciation - Taxes b. Bottom-up approach: OCF = Net Income + Depreciation c. Tax-Shield approach: OCF = (Sales - Costs)*(1-tax rate) + Depreciation*tax rate d. All three of the above will find the project OCF. None of the above. %3D e