Waterway Company has a factory machine with a book value of $162,000 and a remaining useful life of 6 years. A new machine is available at a cost of $251,500. This machine will have a 6-year useful life with no salvage value. The new machine will lower annual variable manufacturing costs from $602,500 to $506,000. Prepare an analysis that shows whether Waterway should retain or replace the old machine. (lfan amount reduces the net income then enter with a negative sign preceding the number or parenthesis, e3. -15,000, (15,000).) Net Income Keep Replace Increase Equipment Equipment (Decrease) Variable costs $ $ $ New machine cost $ $ $ The old factory machine should be v