📚 Year 13 CCEA Accounting Unit Test Mock Paper Analysis | Year 13 CCEA 会计单元测试模拟卷解析
This article provides a full breakdown of a mock unit test designed for Year 13 CCEA Accounting students. Each section tackles a classic exam-style question, unpacks the key workings, and explains the reasoning behind the correct answers. Use this walkthrough to consolidate your knowledge, sharpen your technique, and approach your real assessment with confidence.
本文为一套面向 Year 13 CCEA 会计学生的单元测试模拟卷提供全面解析。每一节处理一道经典考题，拆解关键运算并解释正确答案背后的逻辑。借助这份详细走评巩固你的知识、优化解题技法，以从容的心态迎接真实考试。
1. Mock Paper Overview | 模拟卷概览
The mock test is structured into six compulsory questions carrying a total of 80 marks, to be completed in 90 minutes. Topics are drawn directly from the CCEA Year 13 specification: financial statements analysis, depreciation and disposals, manufacturing accounts, budgeting, investment appraisal, and error correction with suspense accounts.
本套模拟卷共设六道必答题，满分 80 分，考试时间 90 分钟。题目直接源自 CCEA Year 13 课程大纲：财务报表分析、折旧与处置、制造账户、预算编制、投资评估以及差错更正与暂记账户。
Each question tests both numerical accuracy and the ability to comment on the figures. Always show full workings — CCEA awards method marks even if the final answer slips. Time management is key: allocate roughly 1.5 minutes per mark.
每道题既考查数字的准确性，也考查对数据做出评述的能力。务必展示完整运算步骤——即便最终答案出错，CCEA 仍会计给方法分。时间管理至关重要：大约按每分 1.5 分钟分配作答时间。
2. Liquidity & Efficiency Ratios | 流动性与效率比率
Scenario: ABC Ltd reports current assets of £80,000 (including inventory £30,000 and trade receivables £25,000), current liabilities £50,000, total revenue £200,000 (75% on credit), and cost of sales £120,000. Required: calculate current ratio, acid-test ratio, inventory turnover days, and trade receivables collection period.
试题情景：ABC 公司流动资产为 80,000 英镑（含存货 30,000 英镑、应收账款 25,000 英镑），流动负债 50,000 英镑，销售收入总额 200,000 英镑（其中 75% 为赊销），销售成本 120,000 英镑。要求计算流动比率、酸性测试比率、存货周转天数与应收账款收款期。
Current Ratio = Current Assets ÷ Current Liabilities = 80,000 ÷ 50,000 = 1.6 : 1
This indicates the business has £1.60 of current assets for every £1 of short-term debt. It exceeds the typical 1.5:1 benchmark, suggesting a comfortable liquidity position.
该结果意味着每一英镑短期债务对应 1.60 英镑流动资产，高于常见的 1.5:1 参考值，表明流动性状况较为宽裕。
Acid-Test Ratio = (Current Assets – Inventory) ÷ Current Liabilities = 50,000 ÷ 50,000 = 1 : 1
After removing slower-moving inventory, the firm can just cover its current liabilities with liquid assets. This is acceptable but leaves little margin for unexpected cash outflows.
剔除周转较慢的存货后，企业刚好能用速动资产覆盖流动负债。这一水平尚可接受，但应对意外现金流出几乎没有缓冲余地。
Turnover Days = (Inventory ÷ Cost of Sales) × 365 = (30,000 ÷ 120,000) × 365 = 91.25 days
A turnover of roughly 91 days means stock sits in the warehouse for about three months before being sold. Whether this is efficient depends on the industry norm.
约 91 天的周转期意味着存货在售出前要在仓库中停留约三个月。这一水平是否高效取决于行业平均水平。
lection Period = (Receivables ÷ Credit Sales) × 365 = (25,000 ÷ 150,000) × 365 = 60.8 days
If standard credit terms are 30 days, a 61-day collection period signals weak credit control. The business should tighten its collection procedures to improve cash flow.
若标准赊销期为 30 天，61 天的回款期则表明信用控制较弱。企业应收紧收账程序以改善现金流。
3. Depreciation Methods & Disposal | 折旧方法与资产处置
Scenario: A machine costing £54,000 with an estimated residual value of £4,000 is to be depreciated over 5 years. Compare straight-line and 30% reducing-balance methods for the first three years. The machine is sold at the end of Year 3 for £15,000; calculate the gain or loss on disposal under each method.
试题情景：一台机器成本 54,000 英镑，预计残值 4,000 英镑，使用寿命 5 年。请比较直线法和 30% 余额递减法在前三年的折旧额。若该机器在第三年末以 15,000 英镑售出，计算两种方法下的处置利得或损失。
Straight-line: Annual depreciation = (54,000 – 4,000) ÷ 5 = £10,000. After three years, accumulated depreciation is £30,000, giving a net book value (NBV) of £24,000. Sale proceeds £15,000 result in a loss on disposal of £9,000.
直线法：年折旧额 = (54,000 – 4,000) ÷ 5 = 10,000 英镑。三年累计折旧 30,000 英镑，账面净值 24,000 英镑。售价 15,000 英镑导致处置损失 9,000 英镑。
Reducing-balance (30%): Year 1 depreciation = 54,000 × 30% = £16,200 (NBV £37,800). Year 2 = 37,800 × 30% = £11,340 (NBV £26,460). Year 3 = 26,460 × 30% = £7,938 (NBV £18,522). Disposal at £15,000 yield a loss of £3,522.
余额递减法（30%）：第一年折旧 = 54,000 × 30% = 16,200 英镑（净值 37,800 英镑）。第二年 = 37,800 × 30% = 11,340 英镑（净值 26,460 英镑）。第三年 = 26,460 × 30% = 7,938 英镑（净值 18,522 英镑）。以 15,000 英镑售出，损失 3,522 英镑。
The reducing-balance method charges higher depreciation early on, lowering the NBV more quickly. This often means a smaller disposal loss when an asset is sold before the end of its useful life.
余额递减法在前期计提较多折旧，账面净值下降更快，因此在资产提前出售时通常会形成较小的处置损失。
4. Manufacturing Account & Income Statement | 制造账户与损益表
Scenario: A manufacturer provides the following for the year ended 31 March: raw material opening stock £12,000, purchases £85,000, closing stock £9,000; direct wages £48,000; factory overheads £32,000 (include £1,200 depreciation); work-in-progress opening £5,500, closing £6,800. Finished goods opening £11,000, closing £13,200. Sales £320,000; selling & administration expenses £54,000. Prepare the manufacturing account and the income statement.
试题情景：某制造企业截至 3 月 31 日的年度数据如下：原材料期初 12,000 英镑，采购 85,000 英镑，期末 9,000 英镑；直接人工 48,000 英镑；工厂间接费用 32,000 英镑（含折旧 1,200 英镑）；在制品期初 5,500 英镑，期末 6,800 英镑；产成品期初 11,000 英镑，期末 13,200 英镑。销售收入 320,000 英镑；销售与管理费用 54,000 英镑。请编制制造账户与损益表。
Cost of Raw Materials Consumed = 12,000 + 85,000 – 9,000 = £88,000
ages and factory overheads to obtain total factory cost. Then adjust for work-in-progress: £88,000 + 48,000 + 32,000 = £168,000. Add opening WIP £5,500, deduct closing WIP £6,800 → Factory Cost of Production = £166,700.
加上直接人工与工厂间接费用得出工厂总成本，再调整在制品：88,000 + 48,000 + 32,000 = 168,000 英镑。加期初在制品 5,500 英镑，减期末 6,800 英镑 → 工厂产成品成本 = 166,700 英镑。
Cost of Goods Sold = Opening Finished Goods + Factory Cost – Closing Finished Goods = 11,000 + 166,700 – 13,200 = £164,500
Then the income statement shows Gross Profit = 320,000 – 164,500 = £155,500. Deduct selling & admin £54,000 to reach Net Profit = £101,500.
损益表显示毛利 = 320,000 – 164,500 = 155,500 英镑，扣除销售与管理费用 54,000 英镑后得出净利润 101,500 英镑。
Remember to treat factory depreciation as a factory overhead — it forms part of the production cost, not a period expense.
切记将工厂折旧作为工厂间接费用处理——它构成生产成本的一部分，而非期间费用。
5. Cash Budgeting & Overdraft Assessment | 现金预算与透支评估
Scenario: A business forecasts sales of £22,000 (Jan), £28,000 (Feb), £34,000 (Mar). Customers pay 40% in the month of sale, 55% the following month, with 5% bad debts. Purchases equal 60% of sales and are paid one month in arrears. Wages are £4,000 per month, and rent is £3,000 payable in February. Opening cash balance on 1 January is £2,500. Prepare a cash budget for the three months and identify any months where an overdraft is required.
试题情景：某企业预测销售额为 1 月 22,000 英镑，2 月 28,000 英镑，3 月 34,000 英镑。客户当月付款 40%，次月 55%，坏账 5%。采购额为销售额的 60%，延后一个月付款。工资每月 4,000 英镑，租金 3,000 英镑于 2 月支付。1 月 1 日期初现金余额 2,500 英镑。请编制三个月现金预算，并指出哪些月份需要透支。
Cash inflows: January receives 40% of Jan sales (£8,800) plus no previous month. February receives 55% of Jan (£12,100) plus 40% of Feb (£11,200) = £23,300. March receives 55% of Feb (£15,400) plus 40% of Mar (£13,600) = £ d on previous month’s sales. No payment in Jan for purchases, Feb pays Jan’s purchases (60% × 22,000 = £13,200), Mar pays Feb’s purchases (60% × 28,000 = £16,800). Add wages and rent.
现金流入：1 月收到 1 月销售的 40% (8,800 英镑)，无前期款项。2 月收到 1 月的 55% (12,100 英镑) 加 2 月的 40% (11,200 英镑) = 23,300 英镑。3 月收到 2 月的 55% (15,400 英镑) 加 3 月的 40% (13,600 英镑) = 29,000 英镑。现金流出：采购款滞后一个月支付。1 月无采购支付，2 月支付 1 月采购 (13,200 英镑)，3 月支付 2 月采购 (16,800 英镑)。另加工资与租金。
Computing closing balances: Jan = 2,500 + 8,800 – 4,000 = £7,300. Feb = 7,300 + 23,300 – 4,000 – 3,000 – 13,200 = £10,400. Mar = 10,400 + 29,000 – 4,000 – 16,800 = £18,600. All months end with a positive balance, so no overdraft is needed.
计算期末余额：1 月 = 2,500 + 8,800 – 4,000 = 7,300 英镑。2 月 = 7,300 + 23,300 – 4,000 – 3,000 – 13,200 = 10,400 英镑。3 月 = 10,400 + 29,000 – 4,000 – 16,800 = 18,600 英镑。所有月份均以正值收尾，因此无需透支。
6. Investment Appraisal Techniques | 投资评估技术
Scenario: Project Alpha requires an initial investment of £150,000. Expected net cash inflows are £45,000 per year for 4 years, with a scrap value of £10,000 at the end. The required rate of return is 8%. Calculate: payback period, accounting rate of return (ARR), and net present value (NPV). Discount factors: Yr1 0.926, Yr2 0.857, Yr3 0.794, Yr4 0.735.
试题情景：项目 Alpha 需初始投资 150,000 英镑。预计四年内每年净现金流入 45,000 英镑，期末残值 10,000 英镑。要求回报率 8%。计算：回收期、会计报酬率（ARR）和净现值（NPV）。折现因子：第一年 0.926，第二年 0.857，第三年 0.794，第四年 0.735。
Payback Period = 150,000 ÷ 45,000 = 3.33 years (3 years 4 months)
This is simple and shows the project recovers its cost during its life, but it ignores time value of money and cash flows after payback.
这一指标简单明了，表明项目在寿命期内可收回成本，但忽略了货币时间价值及回收后的现金流。
ARR = (Average Annual Profit ÷ Average Investment) × 100
Total profit = total cash inflows – (initial cost – scrap) = (45,000 × 4 + 10,000) – 150,000 = 190,000 – 150,000 = £40,000. Average annual profit = £10,000. Average investment = (150,000 + 10,000) ÷ 2 = £80,000. ARR = (10,000 ÷ 80,000) × 100 = 12.5%.
总利润 = 总现金流入 – (初始成本 – 残值) = (45,000 × 4 + 10,000) – 150,000 = 40,000 英镑。年均利润 = 10,000 英镑。平均投资额 = (150,000 + 10,000) ÷ 2 = 80,000 英镑。ARR = 12.5%。
NPV = (45,000 × 0.926) + (45,000 × 0.857) + (45,000 × 0.794) + (55,000 × 0.735) – 150,000
= 41,670 + 38,565 + 35,730 + 40,425 – 150,000 = £6,390. A positive NPV indicates the project adds value and should be accepted.
净现值为正 6,390 英镑，表明该项目增加企业价值，应予接受。
7. Correction of Errors & Suspense Account | 错误更正与暂记账户
Scenario: A trial balance imbalance of £3,400 (credit side larger) is placed in a suspense account. Subsequent investigation reveals: (1) Sales of £1,200 were completely omitted from the books; (2) Purchase returns of £800 were recorded only in the purchases ledger control; (3) Rent received £500 was credited to the rent expense account; (4) A cheque payment for motor expenses £600 was correctly entered in the cash book but debited to motor vehicles account. Prepare the journal entries to correct the errors and calculate the adjusted net profit. The draft net profit before corrections was £46,000.
试题情景：试算平衡表贷方比借方多出 3,400 英镑，差额计入暂记账户。后续调查发现：(1) 销售收入 1,200 英镑完全漏记；(2) 购货退回 800 英镑仅在购货分类账中记录；(3) 收到的租金 500 英镑被错记入租金费用账户贷方；(4) 一张 600 英镑的汽车费用支票在现金簿中正确记录，但借方被错记入汽车账户。请编制更正分录，并计算调整后净利润。更正前草拟净利润为 46,000 英镑。
Error (1) omission of sales: debit suspense £1,200, credit sales £1,200. This increases profit by £1,200. Error (2) purchase returns not posted to general ledger: debit purchase returns £800, credit suspense £800. Profit effect: +£800 (returns reduce purchases). Error (3) rent received wrongly credited to expense: correct by debiting rent expense £500, crediting rent income £500. This reduces expenses, increasing profit by £500. Error (4) motor expenses charged to motor vehicles: debit motor expenses £600, credit motor vehicles £600. This has no profit effect as both are statement of financial position? Actually motor vehicles is a non-current asset; correcting this increases expenses by £600 (debit) so profit decreases by £600.
错误(1) 销售收入漏记：借暂记账户 1,200，贷销售收入 1,200，利润增加 1,200。错误(2) 购货退回未入总账：借购货退回 800，贷暂记账户 800，利润增加 800。错误(3) 租金收入错记：借租金费用 500，贷租金收入 500，费用减少，利润增加 500。错误(4) 汽车费用错记：借汽车费用 600，贷汽车 600。更正后增加费用 600，利润减少 600。
Adjusted Net Profit = 46,000 + 1,200 + 800 + 500 – 600 = £47,900
The suspense account balance is cleared by the entries: original credit £3,400, then debit £1,200, credit £800 leaves a nil balance once any remaining difference is investigated — here the corrections exactly eliminate the suspense.
暂记账户经上述分录后结平：原贷方余额 3,400，借记 1,200、贷记 800 后应为零。此处更正恰好清除了暂记差额。
8. Break-even Analysis & Margin of Safety | 盈亏平衡分析与安全边际
Scenario: A product sells for £60 per unit. Variable cost per unit is £36, and total fixed costs are £144,000. Budgeted sales are 8,000 units. Calculate: break-even point in units and in sales revenue, margin of safety in units and as a percentage, and the sales volume required to achieve a target profit of £48,000.
试题情景：某产品售价每单位 60 英镑，单位变动成本 36 英镑，固定成本总额 144,000 英镑。预算销量为 8,000 单位。计算：以单位和销售收入表示的盈亏平衡点、以单位和百分比表示的安全边际，以及实现目标利润 48,000 英镑所需的销量。
