Jenkins Inc. is considering disposing of a machine with a book value of $25,000 and an estimated remaining life of ten years. The old machine can be sold for $7,500. A new machine with a purchase price of $75,000 is being considered as a replacement. It will have a useful life of ten years and no residual value. It is estimated that variable manufacturing costs will be reduced from $35,000 to $22,500 if the new machine is purchased. Should Jenkins Inc. replace the machine? What is the incremental net income or net loss if Patton United chooses to keep the machine