can you give me the equations/formulas that go in the cash flow year 0-4 and project npv

You are considering a new groduct leunch Equipment for the profoct wi cost $875,000 The project wal have a four-year Ho, and have no salvoge valuo. Depreciation is straight-ine to zero over the four years. The requred return on the projoct is 11%, and the tax rate is 35% Projocted annual salos and cost figures are shown bolow (sales and coste are estimated to be ldentical for each year 14 ) Based on the information glven, calculate OCF and NPV PROJECT NPV 5115802.35 tyou MUST use NPV function in excel