A machine with a book value of $249,000 has an estimated six-year life. A proposal is offered to sell the old machine for $217,000 and replace it with a new machine at a cost of $280,800. The new machine has a six-year life with no residual value. The new machine would reduce annual direct labor costs from 549,300 to $39,400. a. Prepare a differential analysis dated Aprif 11 on whether to continue with the old machine (Aitemative 1 ) or replace the old machine (A)ternative 2). If an amount is zero, enter "0". If required, use a minus sign to indicate a loss. b. Should the company continue wich the old machine (Aiternative 1) ar replace the old machine (Aternative 2)