with details please

7. Mont Blanc livestock pens, Inc., has Projected a sales volume of $1650 for the second year of a proposed expansion project. Cost normally run 60 percent of sales or about$990 in this case. The depreciation expense will be $100 and the tax rate is 35 percent. What is the operating cash flow? Calculate your answer using all of the approaches including the top-down, bottom-up, and tax shield approaches