A machine with a book value of $246,200 has an estimated six-year life. A proposal is offered to sell the old machine for $215,700 and replace it with a new machine at a cost of $280,500. The new machine has a six-year life with no residual value. The new machine would reduce annual direct labor costs from $50,100 to $40,100. a. Prepare a differential analysis dated Aprit 11 on whether to continue with the old machine (Alternative 1) or replace the old machine (Alternative 2). If an amount is zero, enter 50. If required, use a minus sign to indicate a loss. b. Should the company continue with the old machine (Alternative 1) or replace the old machine (Alternative 2)