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CIMA P1 · Operational Level

A. Cost accounting for decision and control

Master cost accounting techniques for internal decision-making and control, including absorption and marginal costing methods, inventory valuation, and variance analysis for performance management.

  • 36 lessons
  • 5 modules
  • 5.9h of video
  • ~30% of the exam
Start the first lesson → About the CIMA P1 course

What you'll learn

By the end of A. Cost accounting for decision and control.

  • Explain the differences between management accounting and financial accounting, and identify appropriate costing methods for different organisational contexts
  • Apply absorption costing and marginal costing techniques to classify, allocate and analyse costs for internal decision-making
  • Calculate and interpret material, labour, and sales variances to evaluate operational performance against standards
  • Analyse the advantages and disadvantages of absorption and marginal costing methods in different business scenarios
  • Evaluate pricing strategies using marginal costing principles and assess the impact of cost behaviour on management decisions
  • Interpret sales mix and quantity variances to identify reasons for performance deviations and inform management action

The lessons

36 lessons, module by module.

Costing (*with 2026 updates)

7 lessons
  1. 1 Management v financial accounting 15m
  2. 2 Costing definitions 12m
  3. 3 Cost behaviour 9m
  4. 4 Costing for different orgs and digital costing 12m
  5. 5 CGMA cost transformation model 13m
  6. 6 Cost of quality (2026 syllabus) 20m
  7. 7 Environmental costing (2026 syllabus) 16m

Full cost techniques

7 lessons
  1. 1 Absorption costing overview 8m
  2. 2 Overhead absorption rates 8m
  3. 3 Over and under absorption 10m
  4. 4 Advantages and disadvantages of absorption costing 9m
  5. 5 ABC overview 11m
  6. 6 Types of activities and drivers 14m
  7. 7 Advantages and disadvantages of ABC 10m

Marginal cost techniques

8 lessons
  1. 1 Marginal costing overview 9m
  2. 2 Advantages and disadvantages of marginal costing - part 1 9m
  3. 3 Advantages and disadvantages of marginal costing - part 2 5m
  4. 4 Pricing strategies - part 1 14m
  5. 5 Pricing strategies - part 2 9m
  6. 6 Theory of constraints 12m
  7. 7 Throughput accounting - part 1 12m
  8. 8 Throughput accounting - part 2 10m

Standard costing and variance analysis

8 lessons
  1. 1 Standards - part 1 11m
  2. 2 Standards - part 2 10m
  3. 3 Material variances 7m
  4. 4 Labour variances 6m
  5. 5 Variable overhead variances 6m
  6. 6 Fixed overhead variances 9m
  7. 7 Sales variances 4m
  8. 8 Operating statements and causes of variances 7m

Further variance analysis

6 lessons
  1. 1 Sales mix and quantity variances - part 1 7m
  2. 2 Sales mix and quantity variances - part 2 14m
  3. 3 Reasons for sales variances 4m
  4. 4 Advantages and disadvantages of sales variances 4m
  5. 5 Planning and operational variances - part 1 10m
  6. 6 Planning and operational variances - part 2 7m

Questions

About A. Cost accounting for decision and control.

What does the Cost Accounting for Decision and Control section cover?

This section covers the core cost accounting techniques used by management to support internal decision-making and control. You will learn how to classify and allocate costs using absorption and marginal costing methods, understand inventory valuation techniques, and apply variance analysis to monitor organisational performance against predetermined standards.

Is this section important for the P1 exam?

Yes, this section is fundamental to the P1 Objective Test. Cost accounting and variance analysis are core topics that typically account for 30-40% of the exam. Strong understanding of absorption costing, marginal costing, and variance calculations is essential for passing the assessment.

What practical skills will I develop in this section?

You will develop practical skills in calculating overhead absorption rates, performing material and labour variance analysis, applying marginal costing to pricing decisions, and interpreting sales variances. These techniques are directly applicable to real-world management accounting roles.

Do I need prior accounting knowledge to study this section?

While prior accounting knowledge is helpful, this section is designed to be accessible to CIMA students. Module 1 introduces foundational costing concepts and definitions, ensuring you have the necessary background before progressing to more advanced topics.

How does this section relate to other P1 topics?

This section forms the foundation of P1 and directly supports the Planning and Control section by providing the cost accounting tools needed for budgeting and performance management. Understanding cost behaviour and variance analysis is essential for effective management control.

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