A 5-year project is expected to generate annual sales of 9,600 units at a price of $83 per unit and a variable cost of $54 per unit. The equipment necessary for the project will cost $373,000 and will be depreciated on a straight-line basis over the life of the project. Fixed costs are $225,000 per year and the tax rate is 35 percent. How sensitive is the operating cash flow to a \$1 chajge in the per unit sales price