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CA Intermediate · Cost and Management Accounting

Material Cost for CA Intermediate: Chapter Guide

Material Cost covers how a business buys, stores, issues and accounts for materials. You solve it by learning the formulas (stock levels, EOQ, turnover), then writing clean working: tabulate receipts and issues, price them by FIFO, LIFO or weighted average, and treat losses correctly.

What this chapter covers

Material Cost is the first chapter of Cost and Management Accounting. It follows a material from the purchase request to the final issue to production. You learn the procurement documents, how much to hold in stock, how much to order, how to classify items, how to price issues, how to treat losses, and how to value closing stock.

The chapter mixes theory and numbers. Theory covers procedure, control systems and classification. Numbers cover stock levels, EOQ, issue pricing, loss treatment and inventory turnover. Expect both MCQs and written problems from it.

It connects to the rest of the paper directly. Material cost is usually the largest element in a cost sheet, so the figures you build here feed the cost statement, unit costing, job and batch costing, process costing (normal and abnormal loss) and variance analysis later. A weak base here costs marks in several later chapters.

This chapter is high-return for the effort. Most of it is formula-driven, so marks are predictable once your practice is solid. MCQs on stock levels, EOQ, ABC analysis and turnover are quick to score with no negative marking. Written questions on issue pricing and loss treatment reward neat tabular working, because step marks are given even when a final figure goes wrong. The same ideas return in cost sheets, process costing and variances, so time spent here pays off across the paper.

Material Cost: topics in the order to study them

  1. 1Material Cost Meaning and Procurement ProcedureStart with the vocabulary and documents; every later topic assumes you know what a requisition, GRN and bin card are.
  2. 2Inventory Control and Stock LevelsReorder level, minimum, maximum and danger level are core formulas and need the procurement terms first.
  3. 3Economic Order Quantity and Ordering CostsEOQ builds on ordering and carrying costs and reuses lead time and consumption ideas from stock levels.
  4. 4ABC, VED and Other Inventory Classification MethodsClassification is a short, mostly conceptual topic that applies the control ideas you just learned.
  5. 5Material Issue Pricing Methods: FIFO, LIFO, Weighted AverageThis is the heaviest written-numerical topic; study it once the stores terms are comfortable.
  6. 6Accounting for Material Losses: Waste, Scrap, Spoilage, DefectivesLoss treatment depends on how materials are priced and issued, and it leads into process costing later.
  7. 7Valuation of Inventory and Inventory TurnoverFinish with closing stock valuation and turnover ratios, which pull together pricing and control.

How to prepare Material Cost

Treat this chapter as a mix of formulas to memorise and layouts to practise. Aim for accuracy first, then speed.

  1. Read each topic once for meaning, then write the formulas and definitions on one page in your own words.
  2. Learn stock levels and EOQ with one worked example each, then redo them without looking until you get the same answer.
  3. For issue pricing, always draw a stores ledger table with receipts, issues and balance columns. Practise FIFO, LIFO and weighted average on the same data to see how they differ.
  4. For losses, make a small table of waste, scrap, spoilage and defectives showing normal versus abnormal and where the cost goes.
  5. Solve past-style MCQs in sets of ten, and note which formula or concept each wrong answer came from.
  6. Write at least a few full written problems under time, showing every step and stating assumptions, such as the basis for average price.
  7. Revise using your one-page formula sheet a day before the exam.

Common mistakes in Material Cost

  • Mixing up the stock level formulas, especially minimum and maximum level.

    Fix: Remember the logic: minimum is what remains at normal usage when the order arrives; maximum is the most you should hold. Write the three formulas side by side and test them on one example.

  • Using wrong units in EOQ, such as monthly demand with annual carrying cost.

    Fix: Convert A and C to the same period, usually a year, before using the formula. If carrying cost is given as a percentage, apply it to the unit price.

  • Not showing a stores ledger layout in issue pricing questions.

    Fix: Draw receipt, issue and balance columns every time. Step marks depend on visible working, and the table also reduces errors.

  • Treating all losses the same way regardless of whether they are normal or abnormal.

    Fix: Remember the principle: normal loss cost is absorbed in good output, while abnormal loss is charged to the Costing Profit and Loss Account. Then check how scrap realisations are credited.

  • Applying weighted average without recalculating after each new receipt.

    Fix: Under the perpetual method, recompute the average after every receipt using total value ÷ total quantity. Never average the prices alone.

  • Ignoring MCQ elimination because the options look close.

    Fix: Attempt every MCQ. Rule out options that break basic logic, such as a maximum level below the reorder level, then guess among the rest.

Last-day revision: Material Cost

  • Material cost is the cost of direct and indirect materials; direct material is traceable to the cost unit.
  • Reorder level = Maximum consumption × Maximum reorder period.
  • Minimum level = Reorder level − (Normal consumption × Normal reorder period).
  • Maximum level = Reorder level + Reorder quantity − (Minimum consumption × Minimum reorder period).
  • Danger level = Average consumption × Lead time for emergency purchases.
  • EOQ = √(2 × A × O ÷ C), where A is annual demand, O is cost per order and C is carrying cost per unit per year.
  • At EOQ, total ordering cost equals total carrying cost.
  • ABC: A items are high value and few, so tight control; C items are low value and many, so simple control.
  • VED classifies by criticality (vital, essential, desirable); it suits spare parts.
  • FIFO issues at the oldest price; closing stock is at latest prices. LIFO is the opposite.
  • Weighted average price = Total cost of stock ÷ Total quantity in stock.
  • Inventory turnover ratio = Cost of material consumed ÷ Average stock.

Material Cost practice questions

Material Cost in other exams

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

Material Cost: frequently asked questions

Is Material Cost a theory or a numerical chapter?

It is both. Procurement, control systems and classification are theory-heavy, while stock levels, EOQ, issue pricing, loss treatment and turnover are numerical. Prepare both parts, since MCQs can come from either.

Which topic in Material Cost should I practise the most?

Practise material issue pricing and loss treatment the most, as they need longer written working. Stock levels and EOQ are quicker, but they need formula accuracy for MCQs.

How do I avoid mistakes in FIFO, LIFO and weighted average questions?

Use a stores ledger table with receipts, issues and balances, and update the balance after every transaction. Check that the closing stock quantity and value match your table before you finish.

Does this chapter help in other chapters of the paper?

Yes. Material cost feeds cost sheets, job and batch costing, process costing and variance analysis. Normal and abnormal loss ideas in particular come back in process costing.