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ACCA Applied Skills · Performance Management

Standard Costing for ACCA Performance Management

Standard costing sets a planned cost and selling price per unit, then compares them with actual results. The differences are variances, split by cause: price or rate, usage or efficiency, and volume. You calculate each one, label it favourable or adverse, and explain what likely caused it and who is responsible.

What this chapter covers

Standard costing is the core control technique in Performance Management. You set a standard cost for each unit: materials, labour and overheads. At the end of a period you compare actual results with the standard for the actual output. Each gap is a variance. Each variance points to a cause that managers can investigate.

The chapter builds in layers. You start with what a standard is and how it is set. Then you work through materials, labour, overheads and sales variances. Next you put them together in an operating statement that reconciles budget profit to actual profit. The final topics are more advanced: mix and yield, planning and operational variances, and interpretation.

This chapter links to much of the rest of the paper. Budgeting uses the same budget-versus-actual comparison. Cost accounting methods such as marginal and absorption costing decide how fixed overheads are treated. Performance measurement uses variances as indicators of efficiency. Because of these links, standard costing shows up in objective questions, in OT cases and in the 20-mark constructed response questions.

Standard costing and variances are a core examinable area in PM and can be tested in any section. Calculation questions appear in Section A and in OT cases, where answers are marked all or nothing, so one wrong sign or wrong base costs the full two marks. In Section C, a variance calculation is often followed by a written part asking you to explain causes or comment on performance, and those marks are easy to win if you have practised. The formulas are few and repeat across every cost type, so time spent here pays back many times over.

Standard costing: topics in the order to study them

  1. 1Standard Costing Basics and Types of StandardsStart here to learn what a standard is, how it is set, and the flexed budget idea that every later variance depends on.
  2. 2Material Price and Usage VariancesMaterials give the cleanest pattern of price versus quantity, which you will reuse for labour and overheads.
  3. 3Labour Rate, Efficiency and Idle Time VariancesLabour copies the materials pattern with hours and rates, and adds the idle time variance.
  4. 4Variable and Fixed Overhead VariancesOverheads reuse the same price and efficiency logic. Under absorption costing, fixed overheads add a volume variance alongside the expenditure variance. When overheads are absorbed on a labour-hour (or machine-hour) basis, the volume variance is split into capacity and efficiency. Under marginal costing only the expenditure variance exists.
  5. 5Sales Price and Sales Volume VariancesSales variances complete the profit picture and need a clear view of whether you use marginal or absorption costing.
  6. 6Operating Statements and Reconciling Budget to Actual ProfitThis ties every variance into one statement, so learn it only after you can calculate each one.
  7. 7Mix and Yield VariancesMix and yield split the usage variance further, so you need the basic material usage variance firmly in place first.
  8. 8Interpreting Variances and Planning and Operational VariancesFinish with judgement: why variances occur, how they link, and how to separate what was uncontrollable from what managers could control.

How to prepare Standard costing

Standard costing rewards method over memory. Learn one pattern, apply it to every cost type, and then practise until the working layout is automatic.

  1. Learn the single pattern first: price variance = (standard price − actual price) × actual quantity, and usage variance = (standard quantity for actual output − actual quantity) × standard price. Then see how labour and overheads follow it.
  2. Always start by working out the standard quantity or hours for the actual output. Write this line before anything else, because many errors begin here.
  3. Use a fixed layout for each variance: show the standard line, the actual line and the difference, then label it favourable (F) or adverse (A).
  4. Practise objective questions in timed sets. Check each wrong answer for the cause: wrong base, wrong sign or wrong cost type.
  5. Build an operating statement from scratch several times. Check that your variances reconcile to the actual profit figure before you move on.
  6. For every calculation you do, write one sentence on a likely cause and a possible link to another variance, for example cheap material leading to adverse usage.
  7. Attempt Section C style questions under time pressure. Spend your time on layout, clear labels and short, specific comments.

Common mistakes in Standard costing

  • Comparing actual cost with the original budget instead of the flexed standard for actual output

    Fix: Always calculate standard quantity, hours or cost for the actual output first, and compare actual results with that.

  • Getting the favourable or adverse label wrong

    Fix: Ask whether the actual cost was lower than standard, or the actual income higher. If profit rises, it is F. Check the sign against that logic.

  • Using the wrong quantity base for price variances

    Fix: Read the question for the point of recognition of the price variance, then use quantity purchased or quantity used accordingly.

  • Mixing marginal and absorption costing in sales volume variance

    Fix: Identify the costing method used by the business first. Use standard profit for absorption costing and standard contribution for marginal costing.

  • Listing causes without linking them

    Fix: Tie causes to the scenario and to other variances, for example cheaper material that raises usage and lowers quality, or overtime that raises the rate variance but improves efficiency.

  • Operating statement that does not reconcile

    Fix: Always agree the final line to actual profit. If it does not agree, recheck each variance sign and each cost line before moving on.

Last-day revision: Standard costing

  • Standard cost = planned cost per unit; variances compare actual with standard for actual output.
  • Favourable (F) means profit is higher than expected; adverse (A) means lower.
  • Material price variance = (standard price − actual price) × actual quantity purchased when stock is held at standard cost. Actual quantity used applies only if the price variance is recognised at usage.
  • Material usage variance = (standard quantity for actual output − actual quantity used) × standard price.
  • Labour rate variance = (standard rate − actual rate) × actual hours paid. Labour efficiency variance = (standard hours for actual output − actual hours worked) × standard rate.
  • Idle time variance = idle hours (hours paid − hours worked) × standard rate, and it is normally adverse because it is a cost of paid but unproductive hours.
  • Fixed overhead expenditure variance = budgeted fixed overhead − actual fixed overhead. The fixed overhead volume variance arises under absorption costing only. It is split into capacity and efficiency variances when overheads are absorbed on a labour-hour (or machine-hour) basis. Under marginal costing only the expenditure variance exists.
  • Sales price variance = (actual price − standard price) × actual units sold.
  • Sales volume variance = (actual units − budget units) × standard profit per unit under absorption costing, or standard contribution per unit under marginal costing.
  • In an operating statement, start with budget profit, add or subtract each variance, and end at actual profit.
  • Mix variance compares actual mix with standard mix; yield variance compares total output with the standard output from the inputs used.
  • Planning variances relate to the revision of the standard; operational variances compare actual with the revised standard.

Standard costing practice questions

Standard costing in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Standard costing: frequently asked questions

How many marks does standard costing carry in PM?

ACCA does not publish a fixed mark split for each chapter, so treat it as a core area. It can be tested in Section A, in OT cases and in constructed response questions. Prepare it for all three.

Do I need to memorise all the variance formulas?

You need to know them, but you will learn them faster by understanding the pattern. Price variances compare actual and standard price, and usage or efficiency variances compare actual and standard quantity. Once you see this, the labour and overhead formulas follow easily.

Which topics in this chapter are hardest?

Most students find mix and yield, and planning and operational variances, hardest. They build on the basic variances, so master those first. Do not skip them, as they can be tested in Section C and should be part of your preparation.

How should I practise for the written part of variance questions?

After each calculation, write two or three lines on a likely cause, who is responsible and what action to take. Use facts from the scenario. Short, specific comments score better than long general ones.