We are evaluating a project that costs $650,000, has a five-year life, and has no salvage value. Assume that depreciation is straight-line to zero over the life of the project. Sales are projected at 47,000 units per year. Price per unit is $56, variable cost per unit is $31, and fixed costs are $845,000 per year. The tax rate is 21 percent, and we require a return of 10 percent on this project.

b-2.	What is the sensitivity of NPV to changes in the sales figure? (Do not round intermediate calculations and round your answer to 3 decimal places