Your company is considering a machine that will cost $ 3,294 at Time 0 and which can be sold after 3 years for $ 490 . To operate the machine, $ 621 must be invested at Time 0 in inventories; these funds will be recovered when the machine is retired at the end of Year 3. The machine will produce sales revenues of $ 957 /year for 3 years; variable operating costs (excluding depreciation) will be 35 percent of sales. Operating cash inflows will begin 1 year from today (at Time 1). The machine is in the 3-year MACRS class. The MACRS class has depreciation of 33% in year 1, 45% in year 2, 15% in year 3, and 7%