Core Company is considering the purchase of a new machine to replace a machine that was purchased several years ago. Selected information on the two machines is given below: Original cost when new Accumulated depreciation to date Current salvage value Annual operating cost Remaining useful life Required: Old Machine $80,000 $20,000 $26,000 $5,000 4 years New Machine $90,000 $3,000 4 years Calculate the net advantage or disadvantage to the company if they choose to replace the old machine with the new. Assume that neither machine will have any salvage value at the end of four years. You must show all your calculations.