please explain what you did to get the direct labor amounts and why! thank you

A machine with a book value of $252,000 has an estimated remaining life of 6 years. A proposal offered to sell the old machine for $216,200 and replace it with a new machine at a cost of $282,900. The new machine has a 6 -year life with no residual value. The new machine would reduce annual direct labor costs from $50,600 to $40,500. a. Prepare a differential analysis dated June 2 on whether to continue with the old machine (Alternative 1) or replace the old machine (Alternative 2). If an amount is zero, enter " 0 ". If required, use a minus sign to indicate a loss