Cost Classification and Behaviour
Direct, indirect, fixed, variable, stepped and semi-variable costs, high-low and relevant costs.
How to study the CIMA Certificate
Secure each subject's concepts and calculations before using short business scenarios for application. Static study assets do not reproduce every computer-marked interaction or combine the four subjects into one official examination.
Core concepts
Concept 1
Classify costs for purpose and activity.
Exam cue: State the cost object.
Concept 2
Estimate cost behaviour.
Exam cue: Split fixed and variable elements.
Concept 3
Select relevant incremental costs for decisions.
Exam cue: Ask whether the cash flow changes with the decision.
Risk pitfalls and guardrails
Calling all labour variable.
Guardrail: Do not combine subjects, treat the 0-150 scale as a percentage, or rely on a remembered label without checking timing, units, assumptions and facts.
Using average cost as marginal cost.
Guardrail: Do not combine subjects, treat the 0-150 scale as a percentage, or rely on a remembered label without checking timing, units, assumptions and facts.
Including sunk costs in future decisions.
Guardrail: Do not combine subjects, treat the 0-150 scale as a percentage, or rely on a remembered label without checking timing, units, assumptions and facts.
Memory anchors
Direct cost
A direct cost can be traced economically to a cost object.
Relevant cost
A relevant cost is a future cash flow that changes between alternatives.
High-low
High-low estimates variable cost from the change in cost divided by change in activity.
Checkpoint rule
Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.
Knowledge Check (after reading)
Short check-up to confirm understanding of this module.
Check-up Questions
Which cost is direct material for a furniture manufacturer?
Which cost is indirect labour in a manufacturing department?
Answer all questions to submit.
Next step personalized recommendations
Continue learning
Move forward only after this module is stable.
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