A company is considering replacing an old piece of machinery, which cost $598,600 and has $347,100 of accumulated depreciation to date, with a new machine that has a purchase price of $483,100. The old machine could be sold for $64,000. The annual variable production costs associated with the old machine are estimated to be $157,500 per year for eight years. The annual variable production costs for the new machine are estimated to be $102,000 per year for eight years. a.1 Prepare a differential analysis dated May 29 to determine whether to continue with (Alternative 1) or replace (Alternative 2) the old machine. If an amount is zer enter "0". If required, use a minus sign to indicate a loss. Differential Analysis Continue with Old Machine (Alt. 1) or Replace Old Machine (Alt. 2) Revenues: Proceeds from sale of old machine Costs: Purchase price Variable productions costs (8 years) Profit (Loss) May 29 Continue with Old Machine Replace Old Machine Differential Effects (Alternative 1) (Alternative 2) (Alternative 2) Q000 a.2 Determine whether to continue with (Alternative 1) or replace (Alternative 2) the old machine. b. What is the sunk cost in this situation? The sunk cost is