Hayes Lumber is conducting an incremental analysis to determine whether it should retain or replace an old machine. As part of the process, management has gathered the information shown in the chart. Which of these pieces of information is relevant to the incremental analysis? Previous repairs, old machine $48,000 Book value, old machine $72,500 Salvage value, old machine $11,500 Original purchase price, old machine $225,000 The book value of the old machine. The previous repair costs of the old machine. O The salvage value of the old machine. O The original purchase price of the old machine.