. The research and development division of a large corporation is considering the purchase of a new tunneling X-ray microscope for $437,500. The net benefits from gains in materials engineering is projected to be $135,000 in today's real dollars for the first year, increasing by an arithmetic gradient of $19,500 per year in real dollars for years 2 to 4. The unit will be depreciated under MACRS. Due to increasing advances in tunneling X ray microscope technology, the unit will have $50,000 market value in today's real dollars at the end of the 4 year project life. During the 4 year analysis period, inflation is expected to be steady at 3.4% per year. The corporation has a combined state and federal income tax rate of 40.0%. The corporation requires a 15.0% after-tax market rate of return on its research and development investments. Should the X-ray unit be purchased