heridan Films is considering some new equipment whose data are shown below. The equipment has a 3 -year tax life and would be fully depreciated by the straight-line method over 3 years, but it rould have a positive pre-tax 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 roject's life. Revenues and other operating costs are expected to be constant over the project's 3 -year life. What is the project's NPV