5t. Johns River Shipyards is considering the replacement of an 8-year-old riveting machine with a new one that will increase earnings before depreciation from $27,000 to $54,000 per year. The new machine will cost $85,000, and it will have an estimated life of 8 years and no salvage value. The new riveting machine eligible for 100% bonus depreciation at the time of purchase. The applicable corporate tax rate is 25%, and the firm's wacC is 12%. The old machine has been fully depreciated and has no salvage value. What is the NPV of the project? Negative value, if any, should be indicated by a minus sign. Round your answer to the nearest cent. Should the old riveting machine be replaced by the new one