Benefits and limitations of absorption, ABC and marginal costing including comparison of inventory valuations and profit calculations
Each costing method produces different inventory values and profit figures. Knowing the strengths and weaknesses of each method helps a business choose the right one for its decisions.
Real World
Rolls-Royce uses activity-based costing to allocate overhead costs across its jet engine production lines, because each engine model consumes different amounts of machining time and quality inspections — giving more accurate unit costs than simply spreading overheads evenly.
Exam Focus
Always state which costing method gives higher profit and explain why by linking inventory valuation to fixed cost treatment.
Essay Framework
Use PEEL to structure every paragraph. Tap each step for guidance and an example.
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