Koris dog house is considering the installation of a new computerized pressure cooker for hotdogs. The cooker will increase sales by $$8100$ per year and will cut annual operating cost by $$14,200.$ This system will cost $$55,100.$to purchase and install the system is expected to have a six year life and will be depreciated to zero using straight line depreciation and have no salvage value, the tax rate is $23\%$ and the required return is $11\mathrm{.}7\%.$ What is the NPV of the purchasing the pressure cooker?