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Cost Management Tools: Target Costing, Value Analysis and Lean

Updated 11 October 2026 · Fact-checked

These tools cut cost and raise profit by managing cost before and during production. Target costing works backwards: target cost = selling price − required profit. Value engineering closes the gap. Life cycle costing counts all costs over a product's life. Throughput accounting maximises throughput per bottleneck hour. Lean removes waste.

Understand Cost Management Tools: Target Costing, Value Analysis and Lean

Traditional costing starts with cost, adds a margin and sets a price. Modern cost management reverses this. The market sets the price, the firm decides the profit it needs, and cost must fit inside what is left. This is target costing. If the current cost is higher than the target cost, the difference is the cost gap, and the firm must close it before launch.

Value engineering is the tool used to close the gap at the design stage. It studies each function of a product and asks how to deliver the same function at lower cost, without hurting what the customer values. Value analysis does the same job for an existing product already in production. Value engineering is applied before production; value analysis is applied after. Both use the idea of value = function ÷ cost.

Life cycle costing looks at the whole life of a product: research, design, development, production, marketing, distribution, service and disposal. Most of a product's cost is locked in at the design stage, even though it is spent later. So a decision that looks cheap now may be costly over the life. Life cycle costing helps you judge this, and it supports pricing and design decisions.

Throughput accounting treats direct labour and overheads as largely fixed in the short run. Only totally variable cost, mainly materials, is deducted from sales. Throughput = sales − totally variable cost. The aim is to earn the most throughput from the bottleneck (the scarce resource). Lean thinking removes waste (anything the customer will not pay for) through tools such as just-in-time, kaizen, 5S, value stream mapping and total quality management.

Key rules to remember

Target cost: Target cost = Target selling price − Target profit; Target profit may be a margin on price or a return on capital. Read which one the question gives.
Cost gap: Cost gap = Current (estimated) cost − Target cost; A positive gap must be closed by value engineering or redesign.
Value: Value = Function (or customer benefit) ÷ Cost; Value rises when function improves at the same cost, or cost falls at the same function.
Life cycle cost: Life cycle cost = Pre-production + Production + Marketing and distribution + Service and warranty + Disposal costs; Add all costs across the life. Discount them only if the question asks for present value.
Throughput: Throughput = Sales revenue − Totally variable cost (usually direct materials); Labour is treated as an operating cost unless it is truly variable.
Throughput per bottleneck hour: Return per factory hour = (Sales price per unit − Material cost per unit) ÷ Bottleneck hours per unit; Rank products on this to decide the production plan.
Cost per factory hour: Cost per factory hour = Total factory cost ÷ Total bottleneck hours available; Total factory cost = labour + overheads, i.e. all costs other than materials.
Throughput accounting ratio (TA ratio): TA ratio = Return per factory hour ÷ Cost per factory hour; Above 1 means the product earns more than the factory costs per hour. Below 1 means it loses value.

How to solve Cost Management Tools: Target Costing, Value Analysis and Lean questions

Use this order for most questions on cost management tools. First identify which tool the question wants.

1Read the question and name the tool: target costing, value engineering, life cycle costing, throughput accounting or lean.
2List the data given and tag each item (price, profit, cost by stage, hours, materials, bottleneck).
3For target costing, compute target cost from price and profit, then the cost gap against the current cost.
4For life cycle costing, collect costs by stage for the whole life and divide by units over that life if a cost per unit is needed.
5For throughput accounting, find the bottleneck, then compute return per hour, cost per hour and the TA ratio. Rank products.
6Make the decision: accept, redesign, drop or reprioritise. Tie it to the numbers.
7Write a short recommendation with one non-financial point, such as quality, customer value or supplier impact.

Quickest way: Three-line working for numerical questions

When to use it: Use when time is short and the question needs one clear number plus a decision.

Target costing: write Price − Profit = Target, then Current − Target = Gap. Stop.
Throughput accounting: compute (Price − Material) ÷ bottleneck hours for each product. Rank. Then divide by cost per hour for the TA ratio.
Life cycle costing: tabulate costs by stage in one column, total it, and divide by lifetime units.
End every answer with a one-line decision and a reason.

Common mistakes in Cost Management Tools: Target Costing, Value Analysis and Lean

Adding profit to cost instead of deducting it from price in target costing.
Students are used to cost-plus pricing.
Fix: Write the formula first: Target cost = Price − Profit. The price comes from the market and is fixed.
Treating value engineering and value analysis as the same thing.
Both use function and cost analysis.
Fix: Value engineering is applied at the design stage before production. Value analysis is applied to products already in production.
Leaving out upstream and downstream costs in life cycle costing.
Students count only manufacturing cost.
Fix: Include R&D, design, marketing, warranty, service and disposal costs. Tick off each stage in the data.
Deducting direct labour when computing throughput.
Students mix throughput with contribution.
Fix: Deduct only totally variable cost, usually materials. Labour goes into factory cost for the cost per hour.
Ranking products by throughput per unit instead of per bottleneck hour.
The per-unit figure is easy to see.
Fix: Divide by the hours the product uses on the bottleneck, and then rank.
Cutting cost by dropping functions the customer values.
The focus stays on closing the gap alone.
Fix: Check each cut against customer-valued functions. Remove only unneeded cost, not valued function.

Worked examples

Example 1

Meenakshi Appliances plans to launch a mixer. The market price is ₹4,000 per unit. The company requires a profit of 25% on selling price. The current estimated cost is ₹3,300 per unit. (a) Find the target cost and cost gap. (b) Value engineering identifies savings of ₹180 in materials and ₹70 in assembly. Can the target be met?

Show the solution

Target profit = 25% × ₹4,000 = ₹1,000.
Target cost = ₹4,000 − ₹1,000 = ₹3,000.
Cost gap = ₹3,300 − ₹3,000 = ₹300.
Savings identified = ₹180 + ₹70 = ₹250.
Remaining gap = ₹300 − ₹250 = ₹50.

Answer: Target cost is ₹3,000 and the cost gap is ₹300. The identified savings of ₹250 leave a gap of ₹50, so the target is not yet met. The firm should look for a further ₹50 saving through design or supplier negotiation, without removing functions customers value, before launch.

Example 2

Kaveri Components makes products A and B. Both use a bottleneck machine. Data per unit: A sells at ₹900, material ₹300, uses 2 machine hours. B sells at ₹800, material ₹400, uses 1 machine hour. Total factory cost (labour and overheads) is ₹1,20,000 for 400 machine hours available. Compute return per hour, cost per hour, TA ratios and rank the products.

Show the solution

Throughput per unit: A = ₹900 − ₹300 = ₹600. B = ₹800 − ₹400 = ₹400.
Return per bottleneck hour: A = ₹600 ÷ 2 = ₹300. B = ₹400 ÷ 1 = ₹400.
Cost per factory hour = ₹1,20,000 ÷ 400 = ₹300.
TA ratio: A = 300 ÷ 300 = 1.00. B = 400 ÷ 300 = 1.33.
Rank by return per hour: B first, then A.

Answer: Return per hour is ₹300 for A and ₹400 for B. Cost per hour is ₹300. TA ratios are 1.00 for A and 1.33 for B. Give B priority on the bottleneck. A only just covers the factory cost per hour, so produce it only after B demand is met, and review its price or material cost.

Exam tips

In MCQs, check the definition first. Questions on value engineering versus value analysis often test only the stage of application.
Show the target cost formula and the cost gap as separate lines. Each earns marks even if a later figure is wrong.
In throughput questions, always identify the bottleneck before ranking. State it in one line.
Close numerical answers with a clear recommendation. Decision-based questions reward a stated action with a reason.
For lean, link each tool to the waste it removes, such as JIT with inventory and kaizen with continuous small improvement.

Practice questions from Performance Measurement, Evaluation and Improvement Tools

Cost Management Tools: Target Costing, Value Analysis and Lean in other exams

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

Cost Management Tools: Target Costing, Value Analysis and Lean: frequently asked questions

What is the difference between value engineering and value analysis?

Value engineering is applied at the design stage, before the product is produced. Value analysis is applied to an existing product to remove unnecessary cost. Both study function against cost.

How is target costing different from standard costing?

Target costing starts from the market price and works backwards to an allowed cost, and it is used at the planning and design stage. Standard costing sets expected costs for existing production and is used for control through variances.

What does a TA ratio above 1 mean?

It means the return earned per bottleneck hour is higher than the factory cost per hour. The product adds to profit. A ratio below 1 means the product earns less than it costs to run the factory for that hour.

Why is life cycle costing important?

Most of a product's cost is decided at design, but it is spent later. Life cycle costing shows the full cost across all stages, so you can compare designs and set prices that recover total cost.