Replace machine: Woods, Inc. is considering replacing a machine. The following data are available: Replacement Machine Old Machine $45,000 10 Original cost Useful life in years Current age in years Book value Disposal value now Disposal value in 5 years Annual cash operating costs 35,000 S25,000 $8,000 $7,000 S4,000 Required: a. Which of the data provided in the table is a sunk cost? The difference between keeping the old machine and replacing the old machine is: (prepare table) b. c. What should they do? What is the impact on Net Income