Bradley Industries is considering replacing a machine that is presently used in its production process. Which of the following is irrelevant to the replacement decision? Replacement Machine Old Machine $55,000 5 $46,000 5 Original cost Remaining useful life in years Current age in years Book value Current disposal value in cash Future disposal value in cash (in 5 years) Annual cash operating costs $33,000 $9,000 $0 $8,000 $0 $4,000 OA. the current disposal value of the old machine O B. the original cost of the old machine O C. the sales price of the new machine D. the annual cash operating costs for both machines