Doggy Franks is looking for a new hotdog system with an initial cost of $670,000. The cost will be depreciated straight line to $70,000 over the projects six years, at the end of which it will be sold for $70,000. The new system will save $150,000 a year in pretax costs. The system also requires an initial investment in net working capital of $9,000. If the tax rate is 25% and the required rate of return is 12% what is the NPV of the project