A $6-$year project is expected to generate annual sales of $8,100$ units at a price of $$68$ per unit and a variable cost of $$39$ per unit. The equipment necessary for the project will cost $$253,000$ and will be depreciated on a straight$-$line basis over the life of the project. Fixed costs are $$150,000$ per year and the tax rate is $21$ percent. How sensitive is the operating cash flow to a $$1$ change in the per unit sales price?

Multiple Choice

$$4,739$

$$3,339$

$$2,872$

$$3,805$

$$6,399$