please help with this finance question

A 9yeat project is expected to generate annual soles of 9800 units at a pice of 518 per unit and a variable cost of 549 per unt. The equiprnent necessary for the project will cost $332000 and will be deprechated on a straight-the bosis over the life of the project. Fired costs are $200.000 per yeat and the tax rate is 21 percent How sensitive is the operating cash flow to a st change in the per unit sales pnce? Mifiplechose 53741 57189 83403 34,159 \$494