Exercise 7-14 Johnson Enterprises uses a computer plus every third Saturday, to keep up with the invoices. Manag that would eliminate all of the overtime processinume of sales invoices. Management is considering updating its computer with a faster model to handle its sales invoices. Lately, business has been so good that it takes an extra 3 hours per night, Current New Machine Machine 15,400 $5,600 $24,800 5 years Original purchase cost Accumulated depreciation $24,500 Estimated annual operating costs Remaining useful life $19,500 5 years If sold now, the current machine would have a salvage value of $8,700. 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. Should the current machine be replaced? (In the first two columns, enter costs and expenses as positive amounts, and any amounts received as negative amounts. In the third column, enter net income increases as positive amounts and decreases as negative amounts. Enter negative amounts using elther a negative sign preceding the number e.g.-45 or parentheses e.g. (45).) Retain Machine Replace Machine Net Income Increase (Decrease) Operating costs New machine cost Salvage value (old) Total