Fuller Industries is considering replacing a machine that is presently used in its production process. Which of the following amounts represents a sunk cost? Old Machine Replacement Machine Original cost $ 60 comma 000 $ 46 comma 000 Remaining useful life in years 5 5 Current age in years 5 0 Book value $ 30 comma 000 Current disposal value in cash $ 10 comma 000 Future disposal value in cash (in 5 years) $ 0 $ 0 Annual cash operating costs $ 8 comma 000 $ 4 comma 500 Question content area bottom Part 1 A.$ 60 comma 000 $ 60 comma 000 B.$ 46 comma 000 $ 46 comma 000 C.$ 30 comma 000 $ 30 comma 000 D.$ 10 comma 000 $ 10 comma 000