Ten years ago J-Bar Company purchased a lathe for $250,000. It was being depreciated on a straight-line basis to an estimated $25,000 salvage value over a 15 year period. The firm is considering selling the old lathe and purchasing a new one. The new lathe would cost $500,000. The firm's marginal tax rate 40 percent. Determine the net investment required to purchase the new lathe, if the old lathe is sold for $100,000.