Dog Up Franks is looking at a new sausage system with an installed cost of $ This cost will be depreciated straightline to zero over the projects year life, at the end of which the sausage system can be scrapped for $ The sausage system will save the firm $ per year in pretax operating costs, and the system requires an initial investment in net working capital of $ If the tax rate is percent and the discount rate is  percent, what is the NPV of this project?