Johnson Enterprises uses a computer to handle its sales invoices. Lately, business has been so good that it takes an extra 3 hours per night, plus every third Saturday, to keep up with the volume of sales invoices. Management is considering updating its computer with a faster model that would eliminate all of the overtime processing. If sold now, the current machine would have a salvage value of $10,100. if operated for the remainder of its useful life, the current machine would have zero salvage value. The new machine is expected to have zero salvage value after 5 years. Prepare an incremental analysis to determine whether the current machine should be replaced, On the first two columns, enter costs and openses as positive amounts, and any a mounts recelved as negotive amounts, in the third column, enter net income increases as posittve amounts and decreases as negative amounts, Enter negotive amounts using elther o negative slgnpreceding the number es. 45 or parentheses es. (45)