Please solve with excel formulas

Corner Market is considering adding a new product line that is expected to increase annual sales by $418,000 and cash expenses by $337,000. The initial investment will require $390,000 in fixed assets that will be depreciated using the straight-line method to a zero book value over the six-year life of the project. Ignore bonus depreciation. The company has a marginal tax rate of 21 percent. What is the operating cash flow? A $13,650 B $77,640 $27,300 D $12,640 (E) $81,000 Sales Costs Gross profit Depreciation taxable income tax Net Income OCF