A firm is considering investing in a new piece of equipment. The equipment would cost $500,000 and would have shipping and installation cost of $125,000. 1 purchased, the machine would have an estimated useful le of 5 years and would be depreciated via a 5-year MACRS schedule (1.6., 20.0%, 32.0%, 19.2%, 11.5%, 11.5% and 5.8%). Adoption of the project would also require an increase in working capital of $50,000. If the new equipment is purchased, an old plece of equipment (which is still useable for 5 more years) could be sold for $30,000. The old machine had been depreciated on a straight line basis and currently has a book value of zero. Tho machino would generate annual incremental revenues of $250.000 and annual incremental expenses of $60,000. It is estimated that the machine can be sold as scrap at the end of ito 5 year unetul life for $80,000. The required return on projects of this nature is 10% and the firm's marginal tax rato is 40% What is the ato tax caoh inflow from the sale of the old machine at me on $12,000 $18,000 530,000 $48,000