Deep Dive: Profit Liquidity and Business Failure

Provenance (checked 2026-09-28): research/veridian/WBS12-verified-facts.md read in full (1,221 lines — 16 series June 2019–October 2024, 15 mark schemes, 13 of 15 examiner reports read directly against the primary Pearson PDFs). content/veridian/curriculum/wbs12/profit-liquidity-and-business- failure.ts read in full (the topic's own lesson file — its worked chains, level-exemplars and trap-taxonomy entries are referenced below, not reproduced). content/veridian/technique-hub/wbs12/ codex-definitions-and-application-bank.md, forge-exam-technique-guide.md and signal-frequency-and- boundaries.md all read/grepped for existing 2.3.3 coverage. content/veridian/question-bank/wbs12.ts checked — it currently covers legislation and economic influences only, no 2.3.3 content yet. New for this pass: the January 2025 and June 2025 WBS12/01 question paper, mark scheme and examiner report were opened and text-extracted directly with pdftotext -layout from ~/Downloads/PAPERI/IAL_Unit2_Complete_2024_2025/IAL_Materials/Business/{January_2025,June_2025}/ — two real series beyond the verified-facts file's own review window, and beyond anything currently cited anywhere in this lesson or the other technique-hub documents (confirmed by grep: neither "Wilko" nor "Belmont" appears anywhere in content/veridian/ before this document). Both series turned out to contain real, on-topic 2.3.3 questions, which is the specific new material this document adds. All arithmetic below was checked with python3, shown inline.

#CODEX Deep-Dive: Profit, Liquidity and Business Failure (WBS12, spec 2.3.3)

#What this document adds, and what it deliberately doesn't repeat

The lesson file (profit-liquidity-and-business-failure.ts) already carries the full theory build — the three-stage profit structure, the profit-vs-profitability distinction, current ratio and acid test ratio derived step by step for a worked business (Thornfield Bakery Ltd), the overtrading mechanism, two full 10/20-mark level-exemplars, and nine trap-taxonomy entries, all independently verified against the primary examiner reports and mark schemes. This document does not re-derive any of that. What it adds is two things the lesson doesn't have room for: (1) two genuinely new, real WBS12 questions — one on profit, one on business failure — from the January 2025 and June 2025 series, verified directly against the primary PDFs and not yet used anywhere in this course; and (2) short, numeric micro-illustrations of the two liquidity-improvement mechanisms (factoring, JIT) that the lesson explains qualitatively but never demonstrates with numbers, unlike the asset-sale mechanism, which already has a full worked MCQ.

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#1. Profit (2.3.3.1)

#1.1 The structure, in one line

Revenue − cost of sales = gross profit; gross profit − operating expenses = operating profit; operating profit − interest − tax = profit for the year. Each has its own margin (profit ÷ revenue × 100). This is fully derived with real numbers in the lesson's own worked chain (Thornfield Bakery Ltd, 40% → 16% → 11.2%) and isn't repeated here.

#1.2 New real exam angle — January 2025, Belmont Estate: "Discuss how increasing the price of Belmont Estate's products may increase its profit" (Q2d, 8 marks)

Belmont Estate is a real Pearson-authored case (a 17th-century plantation in Grenada, chocolate manufacturing since 2017, selling a 55g bar for $7.50) — a business the lesson has never referenced. The mark scheme's indicative content, paraphrased rather than reproduced at length, runs both directions of a single mechanism: raising price raises revenue per unit sold, which (costs unchanged) raises profit on every unit — but Belmont Estate's price is already high for the product category, so a further rise risks losing volume, and the actual outcome depends on price elasticity of demand and on whether the business's own costs move at the same time. The mark scheme credits Belmont Estate's own unique selling points — "natural products," organic positioning, a distinctive flavour range — as reasons demand might be relatively price-inelastic, making a price rise more likely to raise profit than it would for a generic competitor.

This is a fresh, real confirmation of the same mechanism already in this lesson's raising-price-can-lower-profit-not-raise-it trap (sourced there to October 2022) — but it's worth citing separately because the January 2025 examiner report's commentary is about something slightly different: not candidates getting the mechanism wrong, but candidates only arguing one side of it. The report states candidates "were generally able" to explain how a price rise could raise profit, and were "often effective" at the reverse (PED-driven) argument too — but some responses "were generic and/or failed to fully answer the question," capping their level, while the strongest answers tied the argument to Belmont Estate's own extract detail (its specific USPs lowering PED) rather than leaving PED as a general, unapplied concept. The report's own tip is direct: "discuss" requires both sides of an argument, and a one-sided answer is capped regardless of how well-developed that one side is — the same two-sided-argument requirement already documented for this paper's Discuss questions generally, now confirmed on a profit-specific question in a series newer than anything else cited in this lesson.

#1.3 New micro-example — June 2025, Wilko: a percentage-decrease calculation on real numbers

Wilko's own final-year accounts (cited in the June 2025 Section B extract) showed gross profit falling from £525.7m (2021) to £501.5m (2022). The mark scheme's required calculation: percentage decrease = (change in gross profit ÷ original gross profit) × 100 = (£525.7m − £501.5m) ÷ £525.7m × 100 = 4.6% (checked: (525.7-501.5)/525.7*100 = 4.6, rounding as the mark scheme itself specifies). This is a second, independent real calibration point for the gross-profit-margin-type calculation this lesson already teaches with June 2019's 41.67% exemplar — different numbers, same formula family, both now independently verified against a real mark scheme.

The June 2025 examiner report adds one trap not already named in this lesson: some candidates "failed to calculate the percentage decrease as was required by the question" — i.e., produced a number without checking it answered the specific direction/framing the question asked for, not just the right formula. The same report also reconfirms, on this exact question, the already-known rule that a missing % sign caps the mark at 3 of 4 even with the correct figure — the same pattern this lesson's own the-percent-sign-is-not-decoration trap documents from June 2019, now independently reconfirmed six years later on a different series and a different number.

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#2. Liquidity (2.3.3.2)

#2.1 The two ratios and working capital

Current ratio = current assets ÷ current liabilities; acid test ratio = (current assets − inventories) ÷ current liabilities; working capital = current assets − current liabilities. All three are fully derived with real, verified numbers (current ratio 1.0, acid test 0.33) in the lesson's own second worked chain and aren't re-derived here.

#2.2 Two liquidity-improvement mechanisms, shown numerically

Spec item 2.3.3.2(b) names four ways to improve liquidity. The lesson gives a full numeric worked MCQ for one of them (selling an unused asset, the delivery-van question) and explains the other three in prose. Two of those three are quick enough to show with numbers here — genuinely additive because the lesson states the direction of each effect but never demonstrates the arithmetic behind it.

Just-in-time (JIT) inventory. A firm holds current assets of £40,000 inventory + £30,000 receivables

• £30,000 cash = £100,000, against £80,000 current liabilities: current ratio 1.25, acid test (100,000−40,000)/80,000 = 0.75. Adopting JIT lets it run on £20,000 of inventory instead of £40,000; the £20,000 no longer tied up in stock sits as cash instead, so current assets stay at £100,000 (£20,000 inventory + £30,000 receivables + £50,000 cash) against the same £80,000 liabilities. Current ratio is unchanged at 1.25 — total current assets didn't move — but the acid test rises to (100,000−20,000)/80,000 = 1.0, because value has shifted from the one component the acid test excludes into one it counts. (VERIDIAN-original illustrative figures; arithmetic checked with python3.) This is exactly the mechanism the lesson states in prose ("JIT... raises the acid test ratio by shrinking the very asset it excludes") made numerically concrete, and it explains something the prose alone doesn't make obvious: JIT can improve the acid test without moving the current ratio at all, which is a genuinely different signature from every other liquidity-improvement method on the spec.

Factoring. The same firm instead factors its £40,000 of trade receivables — selling them to a factor for an immediate, discounted 95% lump sum (£38,000 cash), taking a £2,000 fee as the cost of speed and certainty. Current assets move from £30,000 inventory + £40,000 receivables + £30,000 cash (=£100,000) to £30,000 inventory + £0 receivables + £68,000 cash (=£98,000). Acid test before: (100,000−30,000)/80,000 = 0.875; after: (98,000−30,000)/80,000 = 0.85 — the ratio actually falls slightly, because receivables and cash are both "quick" assets already, and the only net change to the acid test's numerator is the £2,000 fee. (VERIDIAN-original illustrative figures; arithmetic checked with python3.) This is a genuinely counter-intuitive but correct point the lesson's prose doesn't cover: factoring's real liquidity benefit is about the timing and certainty of when cash actually arrives — guaranteed cash now, rather than a possible £40,000 in 60 days' time — not about moving the acid test ratio itself, which can move by only a small amount, or even the wrong way, once the factor's own fee is counted. It ties directly back to this lesson's own already-verified point that ratios "only provide a rough estimate of the business's financial health" (Jan 2023 mark scheme) — here, a case where the snapshot ratio actively understates a genuine liquidity improvement.

#2.3 Real grounding for supplier credit terms

Wilko's June 2025 extract states it "owed over £147m in trade credit prior to its closure" — a real, large-scale illustration of the fourth liquidity-improvement mechanism (negotiating longer supplier credit terms), and a reminder that the same mechanism which improves liquidity in the short term is itself a current liability that has to be repaid eventually; Wilko's own trade-credit balance did not, on its own, prevent its 2023 closure. The same extract's mark scheme separately notes that "supplier problems were a less likely cause" of Wilko's failure specifically because of that large trade-credit balance — evidence the business's suppliers still trusted it enough to extend that much credit, right up to closure. No liquidity ratio for Wilko itself is given in the extract, so this is cited here as real context for the mechanism, not as a new worked ratio example.

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#3. Business failure (2.3.3.3)

#3.1 Internal vs external, and the boundary case

Already fully built out in the lesson: six internal causes, eight external causes, the interest-rate example that hits both profit and liquidity at once, and the flag (from October 2023's Amazon Kindle mark scheme) that a single cause can genuinely be argued as both internal and external. Not repeated here.

#3.2 New real exam angle — June 2025, Wilko: "Discuss whether the causes of Wilko's business failure were likely to have only been external" (Q2d, 8 marks)

Wilko is a real, well-known case this course hasn't used before: a UK high-street retailer trading since 1930, over £1bn annual revenue in 2021/22, that closed all its shops in October 2023 with the loss of 12,500 jobs. The mark scheme's indicative content names real external pressures — rising cost of living, a rising interest rate (raising both customers' borrowing costs and Wilko's own), competitors taking market share, and a market shifting toward online and away from high-street retail over Wilko's 90-plus years of trading. But the same mark scheme credits the counter-argument directly: rival discount retailers selling similar products "did not have to stop trading," which the indicative content itself uses to argue it is "unlikely only external causes" were responsible — pointing candidates toward internal causes instead, specifically poor cash-flow management, overestimation of sales, or overtrading, given the scale of Wilko's own revenue.

The examiner report confirms candidates generally managed the two-sided structure this question required ("generally able to provide a two-sided response"), with the same familiar failure modes as every other Discuss question on this paper: some answers stayed generic instead of using Wilko's own extract detail, and some were "weak in terms of evaluation" — under-developing the comparison between the two sides rather than omitting a side outright.

#3.3 A new technique point: the comparator move, extended from ratios to causes

This lesson's own a-ratio-means-nothing-without-a-comparator trap (from January 2023's AvN question) makes the point that a liquidity ratio needs something to be judged against — a prior year, a similar business — to mean anything. The Wilko mark scheme applies the same underlying move to a completely different judgement: whether a cause of failure is genuinely external. Its own indicative content doesn't just assert "external factors existed" — it reaches for a comparator (rival discount retailers, facing the same external conditions, that stayed open) to test whether the external factors were sufficient on their own, given that other businesses facing the same conditions didn't fail. That's the same reasoning skill the ratio trap teaches — a claim about "high" or "low," or "enough" or "not enough," is only checkable against some comparator — now shown working on an internal-vs-external Discuss question rather than a liquidity Evaluate question. Worth naming explicitly because it's the same transferable skill both times, not two unrelated pieces of exam technique.

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#4. Every real exam angle this topic has been tested from (synthesis)

Counting the verified-facts file's own 16-series review plus the two 2025 series independently checked for this document: a real 2.3.3 question has been documented in 10 of 18 series checked across this research base (Jan 2020, Jun 2022, Oct 2021, Oct 2022, Jan 2023, Oct 2023, Jan 2024, Oct 2024 — per the facts bank — plus Jan 2025 and Jun 2025, confirmed directly for this document). By tariff and command word, every angle actually seen:

No drawn-diagram question and no question requiring a numeric working-capital-days or cash-conversion- cycle calculation was found in any series checked, in either the facts bank's window or the two 2025 series read for this pass — the CCC content in this lesson's beyond-spec block is correctly flagged there as beyond the spec's own assessed content, not contradicted by anything found here.

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#5. Scope limits

This document did not re-check every series in the facts bank's own 16-series window against the primary PDF directly — it relies on the facts bank's own verification for those, as instructed, and adds only independent verification for the two 2025 series. June 2019's and June 2024's examiner reports remain unreadable (corrupted/garbled, per the facts bank); nothing here corrects that. No grade-boundary or likelihood-percentage claim is made anywhere above beyond the plain series-count already stated.