Sheridan Films is considering some new equipment whose data are shown below. The equipment has 3-year tax life and would be fully depreciated by the straight line method over 3 years, but would have a positive pretax salvage value at the end of year 3, when the project would be closed down. Also some new working capital would be required, but it would be recovered at the end of the project's life Revenues and operating costs are expected to be constant over the project's 3 year life. What is the projcct NPV