Machine Replacement Decision A company is considering replucing an old plece of machinery, which cost $599,100 and has $352,700 of accumulated depreciation to date, with a new machine that has a purchase price of $483,500. The old machine could be sold for $64,100. The annual variable production costs associated with the old machine are estimated to be $157,000 per year for 8 years. The annual variable production costs foc the new machine are estimated to be $101,900 per year for 8 years. a.1 Prepare a differential analysis dated December 10 to determine whether to continue with (Aiternative 1 ) or replace (Alternative 2) the old machine. If an amount is zero, enter " 0 ". If required, use a minus sign to indicate a loss. a.2 Determine whether to continue with (Aternative 1) or replace (Aiternative 2) the old machine. b. What is the sunk cost in this situation? The sunk cost is $