Performance Management · Life-cycle costing

Life Cycle Costing Concept and Cost Components for ACCA PM

Updated 11 October 2026 · Fact-checked

Life cycle costing tracks all costs and revenues of a product from design and development through production, sales and support to decommissioning. Traditional costing looks at one period at a time. To answer questions, split costs into life stages, add them up for the whole life, and compare with total revenue.

Understand Life Cycle Costing Concept and Cost Components

Life cycle costing (LCC) means accumulating all the costs a product causes over its whole life. That starts before any unit is made, with research, design and development. It ends only when the product is withdrawn, which can include disposal or clean-up costs.

Traditional costing works period by period, usually a year. Costs such as research and development are often written off in the year they are spent, or treated as general overheads. The product then appears to make a loss early on and a large profit later. Nobody sees the full picture of whether the product pays back over its whole life.

LCC fixes this by collecting costs for each product over its whole life. It shows how much of the total cost is committed early, at the design stage. Many experts say most of a product's lifetime cost is locked in by design decisions, even though little cash has been spent by then. Treat that as a general idea, not an exact figure.

The main cost components are:

Pre-production costs: research, design, development, testing, tooling, and setting up production.
Production costs: materials, labour, variable and fixed overheads, and any launch marketing.
Selling, distribution and customer service costs: promotion, delivery, warranty and after-sales support.
End-of-life costs: decommissioning, disposal, restoring a site, and recycling. These can be large for products such as nuclear plant, ships, or oil rigs.

A second important idea is that LCC is used for the whole life of a product, but a customer may also use it to look at a purchase, including running and disposal costs. In PM, the focus is usually the producer's view.

Key rules to remember

Total life cycle cost: Total life cycle cost = pre-production costs + production costs + selling, distribution and service costs + end-of-life costs; Add up costs over the whole life, not one period. Include every stage the question gives.
Life cycle profit: Life cycle profit = total life cycle revenue − total life cycle cost; Use this to judge if a product pays back over its whole life.
Life cycle cost per unit: Cost per unit = total life cycle cost ÷ total units produced and sold over the life; Use total lifetime units. Do not use one year's volume.

How to solve Life Cycle Costing Concept and Cost Components questions

Use this method for any LCC question, whether it is written or numerical.

1Read the question and list the stages of the product's life: pre-production, production, selling and support, and end of life.
2Sort every cost given into its stage. Look for costs that fall before launch or after the product is withdrawn.
3Work out the total units over the whole life if a per-unit figure is needed, and total revenue if profit is needed.
4Add the costs for all stages to get total life cycle cost. Do not leave out early or end-of-life costs.
5Divide by lifetime units for cost per unit, or subtract from revenue for life cycle profit.
6Compare with traditional costing if asked: show what the period-based view would include or miss.
7State your conclusion in one line, for example whether the product covers its full cost, and mention any assumption such as ignoring the time value of money.

Quickest way: Stage table in the margin

When to use it: Use when a numerical question gives many costs spread across years or stages, and you need a total or a per-unit figure.

Draw four short rows labelled Pre, Production, Selling and support, and End.
Write each cost next to its row as you read. Tick it off the question.
Total each row, then total all rows.
Divide by lifetime units or subtract from lifetime revenue, as the question needs.
Check you included the first-year and last-year costs. These are the ones most often missed.

Common mistakes in Life Cycle Costing Concept and Cost Components

Leaving out pre-production or end-of-life costs.
Students focus on the production years, where most numbers sit, and forget costs outside them.
Fix: Always check the start and end of the timeline. Ask what was spent before launch and what will be spent at withdrawal.
Dividing total life cost by one year's units to get cost per unit.
Students are used to annual costing and copy it.
Fix: Use total units over the whole life. The total cost and the units must cover the same period.
Saying LCC is just a longer version of absorption costing.
Both deal with product cost, so they seem similar.
Fix: Explain that LCC tracks costs for each product across its whole life, including costs before and after production, while traditional costing reports one period at a time.
Treating research and development as a period cost in an LCC answer.
Students copy the traditional treatment.
Fix: In LCC, assign R&D to the product it relates to and include it in the product's total cost.
Claiming that LCC always reduces costs.
Students overstate the benefits.
Fix: Say LCC gives better information, which helps management act on costs early, especially at the design stage. It does not cut costs by itself.

Worked examples

Example 1

A company develops a new machine. Design and development cost ₹40,00,000. Production over the life of the product will total 2,000 units at ₹60,000 per unit. Marketing and after-sales support will total ₹15,00,000. Disposal of tooling at the end will cost ₹5,00,000. Calculate the total life cycle cost and the cost per unit.

Show the solution

Pre-production cost = ₹40,00,000.
Production cost = 2,000 × ₹60,000 = ₹12,00,00,000.
Selling and support cost = ₹15,00,000.
End-of-life cost = ₹5,00,000.
Total = 40,00,000 + 12,00,00,000 + 15,00,000 + 5,00,000 = ₹12,60,00,000.
Cost per unit = ₹12,60,00,000 ÷ 2,000 = ₹63,000.

Answer: Total life cycle cost is ₹12,60,00,000 and cost per unit is ₹63,000. The production cost alone is ₹60,000 per unit, so ignoring other stages understates cost by ₹3,000 per unit.

Example 2

Explain how life cycle costing differs from traditional period-based costing, using a product that has high development costs and a short sales life.

Show the solution

State the basis: LCC accumulates costs for a product over its whole life. Traditional costing reports costs by period, such as a year.
Apply to the example: high development costs occur before any sales. In traditional costing they may be expensed in the early period, so early results show a large loss and later results look strongly profitable.
Show the LCC view: development costs are included in the product's total cost and compared with total lifetime revenue. Management can see if the product pays back.
Add the effect on decisions: with a short sales life, there is little time to recover development costs, so LCC highlights the need for a high enough price or volume.
Mention end-of-life costs: LCC includes disposal or withdrawal costs, which period costing may ignore until they occur.

Answer: LCC measures profitability across the whole product life, including pre-production and end-of-life costs. Traditional costing reports period by period and can hide the true cost, so it can mislead decisions on a product with heavy early spending and a short sales life.

Exam tips

In written answers, name the stages (pre-production, production, selling and support, end of life) and give a short example for each.
In numerical questions, check that costs and units cover the same time span before dividing.
For a compare question, give at least two clear differences: time span and treatment of early or late costs.
In objective test questions, watch for wording such as 'whole life' versus 'per period'. It often points to the correct option.
If the question mentions environmental or decommissioning costs, include them. They are usually there on purpose.

Practice questions from Life-cycle costing

Life Cycle Costing Concept and Cost Components in other exams

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

Life Cycle Costing Concept and Cost Components: frequently asked questions

What is life cycle costing in performance management?

It is a method that tracks all costs of a product from design and development through production and sales to decommissioning. It lets management judge the profitability of the product over its whole life. It is examined in PM as a costing and decision-making tool.

What is the difference between life cycle costing and traditional costing?

Traditional costing reports costs period by period and may write off research and development early. Life cycle costing collects costs for each product across its whole life, including pre-production and end-of-life costs. This gives a fuller view of whether a product is worthwhile.

What are pre-production and end-of-life costs?

Pre-production costs are spent before sales begin, such as research, design, development and tooling. End-of-life costs arise when the product is withdrawn, such as decommissioning, disposal and site restoration. Both are included in life cycle cost.

Why is the design stage important in life cycle costing?

Design decisions often fix a large share of the costs that follow, such as materials, production methods and maintenance. Changing a design early is usually cheaper than changing it later. This is why LCC encourages cost control at the design stage.