The Gap is considering buying cash register software from Microsoft so that it can more effectively deal with its retail sales. The software package costs $750,000 and will be depreciated down to zero using the straight line method over its five year economic life. The marketing department predicts that sales will be $600,000 per year for the next three years, after which the market will cease to exist. Cost of goods sold and operating expenses are predicted to be 25 percent of sales. After three years the software can be sold for $40,000. The Gap also needs to add net working capital of $25,000 immediately. The additional net working capital will be recovered in full at the end of the project life. The corporate tax rate for the Gap is 35 percent and the required rate of return relevant to the project is 17 percent. What is the NPV of the new software