The manager of Gaming company is thinking about adding a pc to the office. The pc will cost $3000 to buy and install. The manager plans to use the pc for 5 years and each year's depreciation rate is 12% of the purchase price. The manager expects to sell the pc in 5 years for $700.The tax rate is 25% and the company's WACC is 10%. If the manager considers this purchase of pc as an investment, what is the NPV?