📚 IGCSE Edexcel Accounting: Case Study Practical Exercises | IGCSE Edexcel 会计：案例分析实战演练
Welcome to this hands-on case study walkthrough designed for the IGCSE Edexcel Accounting syllabus. Here we will work through a complete scenario – from extracting a trial balance to preparing final accounts, calculating key ratios and offering informed recommendations. By following each step, you will sharpen your analytical skills and learn how to tackle the case-based questions that feature prominently in the exam.
欢迎来到本次 IGCSE Edexcel 会计案例实战演练。我们将从头至尾处理一个完整的模拟情景——从试算平衡表到编制最终报表、计算关键比率并提出有理有据的建议。跟随每一步操作，你将锻炼分析能力，学会如何应对考试中经常出现的案例分析题。
1. Understanding the Case Study Background | 理解案例背景
Sarah runs a small fashion boutique. On 31 December 2024, her bookkeeper extracted the following trial balance. Sarah needs your help to prepare the financial statements and assess the performance of her business. You are also given several year-end adjustments that must be taken into account.
莎拉经营一家小型时装精品店。2024年12月31日，她的簿记员编制了下列试算平衡表。莎拉需要你帮助编制财务报表并评估企业的业绩。你还将看到若干年末调整事项需要纳入考虑。
| Account | Debit (£) | Credit (£) |
|---|---|---|
| Purchases | 30,000 | |
| Salaries | 12,000 | |
| Rent | 6,000 | |
| Fixtures (cost) | 15,000 | |
| Trade receivables | 8,000 | |
| Drawings | 5,000 | |
| Cash at bank | 2,000 | |
| Inventory (1 Jan 2024) | 4,000 | |
| Sales | 55,000 | |
| Capital | 23,000 | |
| Trade payables | 4,000 | |
| Totals | 82,000 | 82,000 |
The adjustments provided are: closing inventory at 31 December 2024 is valued at £5,000; accrued salaries amount to £500; £1,000 of the rent payment relates to 2025 (prepaid); and fixtures are to be depreciated at 10% per annum on cost.
给出的调整事项为：2024年12月31日的期末存货价值为5,000英镑；应付未付薪金为500英镑；租金中有1,000英镑属于2025年度（预付）；固定装置按成本的10%计提年折旧。
2. Analysing Adjustments | 分析调整事项
Before we draft the income statement, we must adjust the accounts for accruals, prepayments, closing inventory and depreciation. These adjustments ensure that expenses are matched to the correct accounting period and that assets are stated at their net book value.
在编制利润表之前，我们必须对账目进行应计、预付、期末存货和折旧的调整。这些调整确保费用与正确的会计期间配比，并使资产以账面净值列示。
Accrued salaries of £500 mean that the total salary expense for the year is £12,500. The amount still owing at the year-end will appear as a current liability. Prepaid rent reduces the rent expense to £5,000, with the £1,000 shown as a current asset. Closing inventory of £5,000 will be deducted from purchases in the income statement and reported as a current asset. Depreciation on fixtures: 10% of £15,000 = £1,500, which is charged as an expense and accumulated in the statement of financial position.
应计薪金500英镑意味着全年薪金费用总额为12,500英镑。年末仍欠付的金额将作为流动负债列示。预付租金使得租金费用减至5,000英镑，1,000英镑列为流动资产。期末存货5,000英镑将在利润表中从购货中扣除，并作为流动资产列报。固定装置折旧：15,000英镑的10% = 1,500英镑，记为费用并在财务状况表中累计。
3. Preparing the Income Statement | 编制利润表
We now construct the income statement for the year ended 31 December 2024. The cost of sales is calculated as opening inventory plus purchases minus closing inventory. Gross profit is sales minus cost of sales. Then we deduct all operating expenses to arrive at net profit.
我们现在来编制截至2024年12月31日的利润表。销售成本的计算为期初存货加购货减期末存货。毛利为销售收入减去销售成本。然后扣除所有运营费用得出净利润。
Cost of Sales = Opening Inventory £4,000 + Purchases £30,000 − Closing Inventory £5,000 = £29,000
Sales are £55,000, so gross profit is £55,000 − £29,000 = £26,000. The expenses are: salaries (£12,000 + £500) = £12,500; rent (£6,000 − £1,000) = £5,000; depreciation = £1,500. Total expenses = £19,000. Net profit therefore equals £26,000 − £19,000 = £7,000.
销售收入为55,000英镑，因此毛利为55,000 − 29,000 = 26,000英镑。各项费用为：薪金（12,000 + 500）= 12,500英镑；租金（6,000 − 1,000）= 5,000英镑；折旧 = 1,500英镑。费用合计19,000英镑。因此净利润为26,000 − 19,000 = 7,000英镑。
4. Constructing the Statement of Financial Position | 编制财务状况表
The statement of financial position shows the business’s assets, liabilities and capital at the year-end. We start with non-current assets (fixtures less depreciation), then current assets (inventory, receivables, prepayments and cash), and deduct current liabilities (payables and accruals). The net assets figure is then reconciled with the closing capital.
财务状况表列示了企业年末的资产、负债和资本。我们从非流动资产（固定装置减去折旧）开始，然后是流动资产（存货、应收账款、预付款和银行存款），再减去流动负债（应付账款和应计费用）。净资产额再与期末资本进行勾稽。
Non-current assets: Fixtures £15,000 – Accumulated depreciation £1,500 = £13,500. Current assets: Inventory £5,000 + Trade receivables £8,000 + Prepaid rent £1,000 + Cash £2,000 = £16,000. Current liabilities: Trade payables £4,000 + Accrued salaries £500 = £4,500. Net current assets = £16,000 − £4,500 = £11,500. Net assets = Non-current assets + Net current assets = £13,500 + £11,500 = £25,000.
非流动资产：固定装置15,000 – 累计折旧1,500 = 13,500英镑。流动资产：存货5,000 + 应收账款8,000 + 预付租金1,000 + 银行存款2,000 = 16,000英镑。流动负债：应付账款4,000 + 应计薪金500 = 4,500英镑。净流动资产 = 16,000 − 4,500 = 11,500英镑。净资产 = 非流动资产 + 净流动资产 = 13,500 + 11,500 = 25,000英镑。
To find the closing capital: Opening capital £23,000 + Net profit £7,000 − Drawings £5,000 = £25,000. This matches the net assets figure, confirming the accounts balance.
计算期末资本：期初资本23,000 + 净利润7,000 − 提款5,000 = 25,000英镑。这与净资产数额一致，确认报表平衡。
5. Calculating Key Ratios | 计算关键比率
Ratio analysis enables us to interpret the financial statements and evaluate profitability, liquidity and efficiency. We will compute the most common ratios required at IGCSE level.
比率分析使我们能够解读财务报表，评估盈利能力、流动性和效率。我们将计算IGCSE阶段最常见的一些比率。
Gross Profit Margin = (Gross Profit ÷ Sales) × 100 = (26,000 ÷ 55,000) × 100 = 47.3% (approx.)
Net Profit Margin = (Net Profit ÷ Sales) × 100 = (7,000 ÷ 55,000) × 100 = 12.7%
Current Ratio = Current Assets ÷ Current Liabilities = 16,000 ÷ 4,500 = 3.56 : 1
Quick Ratio (Acid Test) = (Current Assets − Inventory) ÷ Current Liabilities = (16,000 − 5,000) ÷ 4,500 = 2.44 : 1
Trade Receivables Collection Period = (Trade Receivables ÷ Sales) × 365 = (8,000 ÷ 55,000) × 365 = 53 days (approx.)
Trade Payables Payment Period = (Trade Payables ÷ Purchases) × 365 = (4,000 ÷ 30,000) × 365 = 49 days (approx.)
These ratios reveal solid profitability with a gross margin nearing 50% and a net margin above 12%. Liquidity is exceptionally strong, with a current ratio well beyond the 2:1 rule of thumb. The collection period of 53 days is reasonable for a boutique, though the payment period of 49 days suggests the business pays suppliers a little faster than it collects from customers.
这些比率反映出良好的盈利能力，毛利率接近50%，净利润率超过12%。流动性非常强，流动比率远高于2:1的经验标准。53天的应收账款回款期对一家精品店来说是合理的，而49天的应付账款付款期说明企业向供应商付款的速度略快于从客户收回款项的速度。
6. Interpreting Profitability | 解读盈利能力
The gross profit margin of 47.3% indicates that for every £100 of sales, the business retains about £47 after covering the cost of goods sold. This high margin is typical of fashion retail where mark-ups are substantial, but it also depends on effective inventory control and supplier negotiations. The net profit margin of 12.7% means that after all operating expenses, the business converts nearly £13 of every £100 of sales into profit.
47.3%的毛利率表明，每100英镑的销售收入，在扣除已售商品成本后企业可保留约47英镑。这种高毛利率在时尚零售业很常见，提价幅度较大，但这也取决于有效的库存控制和供应商谈判。12.7%的净利润率意味着扣除所有运营费用后，企业每100英镑销售额可转化为近13英镑的利润。
We should compare these margins to previous years and to industry averages. If the gross margin is falling, it could signal rising purchase costs or discounting. If the net margin is squeezed, expenses may be growing faster than sales – a warning sign that needs investigation.
我们应当将这些利润率和往年以及行业平均水平进行比较。如果毛利率下降，可能预示着采购成本上升或进行了打折销售。如果净利润率受到挤压，可能表明费用增长快于销售增长——这是一个需要调查的警示信号。
7. Assessing Liquidity and Efficiency | 评估流动性与效率
Liquidity refers to the ability to meet short-term obligations. Sarah’s boutique has a current ratio of 3.56 and an acid test ratio of 2.44, both of which are exceptionally safe. In fact, the business might be holding too much idle cash or receivables. Unnecessarily high liquidity can indicate poor capital management – those funds could be invested to expand inventory or upgrade fixtures.
流动性指偿还短期债务的能力。莎拉的精品店流动比率为3.56，速动比率为2.44，两者都非常安全。实际上，企业可能持有过多的闲置资金或应收账款。不必需的高流动性可能意味着资本管理不善——这些资金本可用于扩大库存或升级固定装置。
The trade receivables collection period of 53 days is slightly longer than the payment period of 49 days. Ideally, a business collects from customers faster than it pays suppliers, creating a positive cash flow cycle. Here the gap is narrow; Sarah should consider offering early settlement discounts or tightening credit terms to accelerate cash receipts.
53天的应收账款回款期略长于49天的付款期。理想情况下，企业从客户收回款项的速度应快于向供应商付款的速度，从而形成正向现金流循环。此处的差距很小；莎拉应考虑提供提前付款折扣或收紧信用条款以加快现金回收。
8. Evaluating the Impact of Adjustments on Profit | 评估调整对利润的影响
Each adjustment directly changes the expenses and thus net profit. Had the accrued salary been ignored, expenses would be understated by £500 and net profit overstated. Failure to account for prepaid rent would overstate the rent expense by £1,000, reducing profit unnecessarily. Similarly, omitting closing inventory would lower gross profit, while missing depreciation would overstate non-current assets and net profit. Such errors undermine the reliability of the financial statements.
每项调整都直接影响费用，从而影响净利润。如果忽略了应计薪金，费用会被低估500英镑，净利润会被高估。未对预付租金进行账务处理，会使租金费用多计1,000英镑，不必要地减少利润。同样，遗漏期末存货会压低毛利，而未计提折旧则会高估非流动资产和净利润。这类错误会损害财务报表的可靠性。
This is a key exam skill: always read the adjustment information carefully and ask ‘which accounts are affected?’. Apply the double-entry logic – for every expense adjustment, there is a corresponding effect on a current asset or liability. Mastering this will protect you from common pitfalls.
这是关键的考试技能：一定要仔细阅读调整信息，并问自己“哪些账户会受到影响？”。运用复式记账逻辑——每项费用调整都有对应的流动资产或负债账户发生变动。熟练掌握这一点可助你避开常见陷阱。
9. Making Recommendations | 提出建议
Based on our analysis, Sarah’s boutique is in a strong financial position. However, several recommendations may enhance performance further: reduce idle cash by investing in targeted marketing or new product lines; shorten the receivables collection period through prompt payment incentives; negotiate longer credit terms with suppliers to improve the cash cycle; and continue monitoring gross margins to spot any adverse trends early.
根据分析，莎拉的精品店财务状况强劲。不过，以下几个建议或可进一步提升绩效：将闲置现金投资于有针对性的营销或新产品线；通过即期付款激励缩短应收账款回款期；与供应商协商更长的付款期限以改善现金循环；持续监控毛利率以及早发现不利趋势。
In an exam, always link your recommendations to the ratios you have calculated. General advice without numerical support will not earn top marks. For instance, say ‘the current ratio of 3.56 suggests excess liquidity, therefore the business could…’ rather than ‘the business should invest more’.
在考试中，务必把建议与你计算出的比率联系起来。没有数字支持的泛泛建议是无法获得高分的。例如，要说“3.56的流动比率表明流动性过剩，因此企业可以……”，而不是“企业应该增加投资”。
10. Sensitivity and ‘What If’ Scenarios | 敏感性分析与“假设”情景
Good analysis considers uncertainty. What if closing inventory had been valued at £4,500 instead of £5,000? Cost of sales would increase by £500, gross profit fall by the same amount, and net profit would drop to £6,500. Consequently, the net profit margin would decrease to about 11.8%, and current assets would fall, slightly weakening the current ratio.
好的分析会考虑不确定性。如果期末存货的估值是4,500英镑而不是5,000英镑呢？销售成本将增加500英镑，毛利等额减少，净利润降至6,500英镑。净利润率会降到大约11.8%，流动资产减少，流动比率会略微减弱。
Similarly, if Sarah increased drawings by £2,000 for personal use, closing capital would fall to £23,000, eroding the net asset base. Practising such ‘what if’ exercises deepens your understanding of how sensitive the financial statements are to underlying assumptions and decisions.
同样，如果莎拉增加2,000英镑提款供个人使用，期末资本将降至23,000英镑，侵蚀净资产基础。练习这类“假设”分析，有助于加深你对财务报表对基本假设和决策敏感程度的理解。
11. Common Pitfalls in Case Studies | 案例分析常见陷阱
Students often lose marks by: forgetting to adjust the trial balance figures for both expense and balance sheet items; treating depreciation as a cash expense; mixing up the treatment of accruals and prepayments; using inconsistent formulas for ratios; and drawing conclusions that are not supported by the data. Always use a systematic approach: adjustments first, then the income statement, then the statement of financial position, and finally ratios and comments.
考生常因以下问题失分：忘记将试算平衡表数字同时调整费用和资产负债表项目；将折旧当作现金支出处理；混淆应计与预付的处理方法；使用不一致的比率公式；以及得出缺乏数据支撑的结论。应始终采用系统方法：先调整，再编制利润表，然后编制财务状况表，最后计算比率并加以评论。
Another trap is incorrectly calculating the collection and payment periods. Use the formula (Receivables or Payables ÷ Sales or Purchases) × 365. Always check whether the denominator should be sales (for receivables) or purchases (for payables). And remember to express liquidity ratios in the form ‘x:1’, not as a decimal.
另一个陷阱是错误计算回款期和付款期。应使用公式（应收账款或应付账款 ÷ 销售收入或购货）× 365。务必检查分母应当是销售收入（计算应收账款时）还是购货（计算应付账款时）。并记住流动比率要以“x:1”的形式表达，而不是小数。
12. Practice Exercise for You | 自行练习
Now it’s your turn. Consider the same trial balance but with these changes: Sales are £60,000, purchases £32,000, closing inventory £6,200, accrued rent £400, prepaid salaries £300, and fixtures are depreciated at 20% reducing balance. Calculate the gross profit, net profit, current ratio and net profit margin for the new scenario. Remember to adjust cautiously and show all workings.
现在轮到你练习了。使用同一试算平衡表，但作如下修改：销售收入为60,000英镑，购货为32,000英镑，期末存货6,200英镑，应付未付租金400英镑，预付薪金300英镑，固定装置按20%的余额递减法折旧。计算新情景下的毛利、净利润、流动比率和净利润率。务必谨慎调整，并展示所有计算过程。
This independent exercise will reinforce the skills developed throughout this walkthrough. Compare your answers with a study partner or check against the principles we have applied. Repetition and careful attention to detail are the keys to mastering IGCSE Edexcel Accounting case studies.
这个独立练习将巩固你在本次演练中培养的技能。可与学习搭档比较答案，或根据我们运用过的原理进行核对。反复练习并密切关注细节是掌握 IGCSE Edexcel 会计案例分析的关键。
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