Cori's Dog House is considering the installation of a new computerized pressure cooker for hot dogs. The cooker will increase sales by $9,100 per year and will cut annual operating costs by $13,100. The system will cost $45,600 to purchase and install. This system is expected to have a 5-year life and will be depreciated to zero using straight-line depreciation and have no salvage value. The tax rate is 34 percent and the required return is 10.6 percent. What is the NPV of purchasing the pressure cooker?