Which of the following combinations should be treated as incremental cash flows when deciding whether to invest in a new engine for a passenger ship? The ship is already owned but the existing engine would have to be scrapped. a Money already paid to a machine engineering consultant. b. Spare parts to be carried as a precaution in case the new engine fails c. The reduction in corporation tax resulting from depreciation of the new engine d. Future depreciation of the new engine e. A proportion of the cost of refurbishing the captains' new living quarters. f The cost of a new lifeboat purchased last year g Costs of removing the old engine h. Scrap value of the old engine. D a, d, e, f C) a, d, g, h D b,c, e.f O b, c, g. h