Techno Labs, a taxpaying entity, estimates that it can save $23,000 a year in cash operating costs for the next 8 years if it buys a special-purpose eye-testing machine at a cost of $90,000. No terminal disposal value is expected. Techno Labs' required rate of return is 10%. Assume all cash flows occur at year-end except for initial investment amounts. Techno Labs uses straight-line depreciation. The income tax rate is 28% for all transactions that affect income taxes. (Click the icon to view the Future Value of $1 factors.) (Click the icon to view the Future Value of Anncity of $1 factors.) (Click the icon to view the Present Value of $1 factors.) (Click the icon to view the Present Value of Annuity of $1 factors.) Read the requirements. Requirement 1. Calculate the following for the special-purpose eye-testing machine: Net present value (NPR) (Round interim calculations and your final answers to the nearest whole dollar. Use a minus sign or parentheses for a negative net present value.) The net present value is $