📚 Case Study Practical Exercise for Year 9 OCR Accounting | 九年级OCR会计案例分析实战演练
Case studies are one of the best ways to bring accounting concepts to life. By working through a real-life scenario, you can see how transactions are recorded, classified, and summarised into financial statements. This article walks you through a complete practical exercise suitable for Year 9 OCR Accounting, from identifying transactions to preparing an Income Statement and Statement of Financial Position. Follow each step carefully to strengthen your understanding of the double-entry system and basic financial reporting.
案例分析是将会计概念付诸实践的最佳方式之一。通过真实情境的演练，你可以看到交易如何被记录、分类并汇总成财务报表。本文为你提供一个适合九年级OCR会计课程的完整实战练习，从识别交易到编制损益表和财务状况表，逐步指导你完成。仔细跟随每个步骤，将帮助你巩固复式记账系统和基本财务报告的知识。
1. Understanding the Case Study Scenario | 理解案例背景
Imagine Tom decides to start a small tutoring business on 1 March 2025. He has £500 in cash which he puts into the business. To keep things safe, he opens a business bank account and deposits £400 of the cash. He then buys stationery supplies for £50 using cash. During March, he earns £200 in cash from providing tutoring services. He also pays £80 cash for room rental and spends £30 in cash on online advertising. These simple transactions form the entire business activity for the first month.
设想汤姆决定在2025年3月1日开办一家小型辅导业务。他有500英镑现金，将其投入企业。为了安全起见，他开立了一个企业银行账户并存入了400英镑现金。然后他用现金购买了价值50英镑的文具用品。在3月份，他通过提供辅导服务赚取了200英镑现金。他还用现金支付了80英镑的房租，并花费30英镑现金进行在线广告宣传。这些简单的交易构成了第一个月的全部业务活动。
2. Identifying the Transactions | 识别交易
The first task in any case study is to list the transactions clearly. For Tom's Tutoring, we have six distinct transactions:
在任何案例分析中，首要任务就是清晰地列出所有交易。汤姆辅导业务的六笔独立交易如下：
1. Tom invested £500 cash as capital.
1. 汤姆投入500英镑现金作为资本。
2. He deposited £400 of the cash into a business bank account.
2. 他将400英镑现金存入企业银行账户。
3. He purchased stationery for £50 cash.
3. 他花费50英镑现金购买文具。
4. He received £200 cash from tutoring fees.
4. 他收到200英镑辅导费现金。
5. He paid £80 cash for rent.
5. 他支付80英镑现金房租。
6. He paid £30 cash for online advertising.
6. 他支付30英镑现金用于在线广告。
By identifying each transaction, you can then determine which accounts are affected and whether they should be debited or credited.
通过识别每笔交易，你就能判断哪些账户受到影响，以及它们应当被借记还是贷记。
3. The Double-Entry Principle | 复式记账原则
Every transaction has two effects on the accounting equation. For the accounts to remain balanced, we record each transaction using a debit entry in one account and a credit entry in another. The rules for increases and decreases depend on the type of account:
每笔交易对会计等式都有双重影响。为了保持账户平衡，我们用一个账户的借方分录和另一个账户的贷方分录来记录每笔交易。账户增减的规则取决于账户类型：
Assets increase with debits and decrease with credits.
资产增加记在借方，减少记在贷方。
Liabilities and capital increase with credits and decrease with debits.
负债和资本增加记在贷方，减少记在借方。
Expenses increase with debits (they reduce profit and capital).
费用增加记在借方（费用会减少利润和资本）。
Income increases with credits (it increases profit and capital).
收入增加记在贷方（收入增加利润和资本）。
Keeping these rules in mind is essential when creating journal entries.
在编制日记账分录时，牢记这些规则至关重要。
4. Journal Entries for Each Transaction | 每笔交易的日记账分录
Now we record each transaction in a journal. This is the book of original entry, where the debit and credit are noted before posting to ledgers.
现在我们将每笔交易记入日记账。日记账是原始分录簿，在过账到分类账之前记录借方和贷方。
Transaction 1: Tom introduces capital. Debit Cash £500, Credit Capital £500.
交易1：汤姆投入资本。借记现金500英镑，贷记资本500英镑。
Transaction 2: Cash deposited into bank. Debit Bank £400, Credit Cash £400.
交易2：现金存入银行。借记银行存款400英镑，贷记现金400英镑。
Transaction 3: Purchase of stationery for cash. Debit Stationery Expense £50, Credit Cash £50.
交易3：现金购买文具。借记文具费用50英镑，贷记现金50英镑。
Transaction 4: Cash received from tutoring fees. Debit Cash £200, Credit Tutoring Revenue £200.
交易4：收到辅导费现金。借记现金200英镑，贷记辅导收入200英镑。
Transaction 5: Rent paid in cash. Debit Rent Expense £80, Credit Cash £80.
交易5：现金支付租金。借记租金费用80英镑，贷记现金80英镑。
Transaction 6: Advertising paid in cash. Debit Advertising Expense £30, Credit Cash £30.
交易6：现金支付广告费。借记广告费用30英镑，贷记现金30英镑。
Observe that in each entry the total debits equal the total credits, maintaining the balance required by the double-entry system.
请注意，每笔分录的借方总额都等于贷方总额，从而维持了复式记账系统所要求的平衡。
5. Posting to T-Accounts | 过账至T型账户
After making the journal entries, we post each amount to the relevant T-account. A T-account shows the debit side on the left and the credit side on the right. Each transaction amount appears in the correct side of the account.
完成日记账分录后，我们将每笔金额过账到相应的T型账户。T型账户左侧为借方，右侧为贷方。每笔交易金额都出现在账户的正确一侧。
For example, the Cash account will have debits from capital (£500) and revenue (£200), and credits from the bank deposit (£400), stationery (£50), rent (£80), and advertising (£30).
例如，现金账户的借方包括资本（500英镑）和收入（200英镑），贷方包括银行存款（400英镑）、文具（50英镑）、租金（80英镑）和广告（30英镑）。
The Bank account has a single debit of £400 from the deposit. The Capital account shows a credit of £500. Revenue is credited with £200. Each expense account (Stationery, Rent, Advertising) has a debit entry showing the amount spent.
银行账户只有一笔存款的借方400英镑。资本账户显示贷方500英镑。收入账户有贷方200英镑。每个费用账户（文具、租金、广告）都有一笔借方金额，表示发生的支出。
Posting correctly ensures that every account reflects the transactions that affected it, which is the foundation of the ledger.
正确过账确保每个账户反映了影响它的所有交易，这是分类账的基础。
6. Balancing Off the Accounts | 结平账户
At the end of the period, each account must be balanced off to find its closing balance. This is done by totalling both sides and inserting a balancing figure (balance c/d) on the side with the smaller total, then bringing that balance down (balance b/d) on the opposite side for the next period.
期末时，每个账户必须结平以求出期末余额。做法是分别加总借方和贷方，在总额较小的一侧填入一个平衡数字（期末余额），随后在下期开始时将其结转至对侧（期初余额）。
For the Cash account: total debits = £500 + £200 = £700. Total credits = £400 + £50 + £80 + £30 = £560. The difference is £ ecomes the balance c/d on the credit side, and then brought down as a debit balance b/d of £140. This means the business still holds £140 in cash.
现金账户：借方总额 = 500 + 200 = 700英镑。贷方总额 = 400 + 50 + 80 + 30 = 560英镑。差额为140英镑，这成为贷方的期末余额，随后作为期初借方余额140英镑结转下期。这意味着企业仍持有140英镑现金。
The Bank account has a debit total of £400 and no credits, so the balance c/d is £400 on the credit side, and balance b/d is a debit of £400. Capital, revenue, and expense accounts are balanced off similarly, resulting in credit balances for capital (£500) and revenue (£200), and debit balances for stationery (£50), rent (£80) and advertising (£30).
银行账户借方总额为400英镑，无贷方，因此贷方期末余额为400英镑，期初借方余额400英镑。资本、收入和费用账户也类似结平，结果资本余额（贷方500英镑）、收入余额（贷方200英镑）、文具费用（借方50英镑）、租金费用（借方80英镑）和广告费用（借方30英镑）。
7. Preparing the Trial Balance | 编制试算平衡表
A trial balance is a list of all ledger account balances divided into debit and credit columns. The totals of the two columns must be equal, confirming that the double-entry records are arithmetically correct.
试算平衡表是一份列示所有分类账账户余额的清单，分为借方栏和贷方栏。两栏的总额必须相等，以验证复式记录在算术上是正确的。
| Account | Debit (£) | Credit (£) |
|---|---|---|
| Cash | 140 | |
| Bank | 400 | |
| Capital | 500 | |
| Tutoring Revenue | 200 | |
| Stationery Expense | 50 | |
| Rent Expense | 80 | |
| Advertising Expense | 30 | |
| Totals | 700 | 700 |
If the totals do not match, it signals an error such as an omitted posting or an amount entered on the wrong side. In our case, £700 equals £700, so the records are balanced.
如果两栏合计不相等，说明存在错误，例如漏记或金额记错方向。在我们的例子中，700英镑等于700英镑，因此记录是平衡的。
8. Constructing the Income Statement | 编制损益表
The Income Statement (sometimes called the Profit and Loss Account) calculates whether the business made a profit or a loss during a period. It matches the revenue earned against the expenses incurred.
损益表（有时也称为利润表）计算企业在一个期间内是盈利还是亏损。它将所赚取的收入与发生的费用进行配比。
For Tom's Tutoring, the only revenue is tutoring fees of £200. The expenses are stationery £50, rent £80, and advertising £30, giving total expenses of £160.
对于汤姆的辅导业务，唯一的收入是辅导费200英镑。费用包括文具费50英镑、租金80英镑和广告费30英镑，费用总额为160英镑。
| Tutoring Revenue | £200 |
| Less: Expenses | |
| Stationery Expense | £50 |
| Rent Expense | £80 |
| Advertising Expense | £30 |
| Total Expenses | £160 |
| Net Profit for March | £40 |
This profit of £40 will increase Tom's capital in the business. An Income Statement always follows this structure and helps owners see whether their pricing and cost control are effective.
这笔40英镑的利润将增加汤姆在企业中的资本。损益表总是遵循这样的结构，帮助所有者判断其定价和成本控制是否有效。
9. Preparing the Statement of Financial Position | 编制财务状况表
The Statement of Financial Position (also known as the Balance Sheet) shows the assets, liabilities, and capital of a business at a specific point in time. It is prepared after the Income Statement so that the profit or loss can be added to the opening capital.
财务状况表（也称资产负债表）显示企业在某一特定时点的资产、负债和资本。它在损益表之后编制，以便将利润或亏损加到期初资本中。
Tom's statement at 31 March 2025 will include cash £140 and bank £400 as current assets. There are no liabilities. The capital section shows the original £500 plus the net profit of £40, giving closing capital of £540.
汤姆在2025年3月31日的财务状况表将包括流动资产现金140英镑和银行存款400英镑。没有负债。资本部分列示原始资本500英镑加上净利润40英镑，得出期末资本540英镑。
| £ | |
|---|---|
| Assets | |
| Cash | 140 |
| Bank | 400 |
| Total Assets | 540 |
| Capital | |
| Opening Capital | 500 |
| Add: Net Profit | 40 |
| Closing Capital | 540 |
| Total Capital and Liabilities | 540 |
Seeing total assets equal to total capital plus liabilities (which are zero) proves that the accounting equation holds true.
看到总资产等于总资本加负债（负债为零），证明了会计等式成立。
10. Checking the Accounting Equation | 检查会计方程式
fter preparing the two financial statements, you should always verify that this equation balances.
基本的会计方程式是：资产 = 资本 + 负债。在编制两张财务报表后，你应始终验证这一等式是否平衡。
Here, assets total £540 (cash £140 + bank £400). Capital stands at £540, and there are no liabilities. The equation becomes £540 = £540 + £ s-check gives you confidence that all transactions were recorded and summarised correctly.
在这里，资产总计540英镑（现金140 + 银行存款400）。资本为540英镑，无负债。等式变为540 = 540 + 0，完全平衡。这一核对让你确信所有交易均已正确记录和汇总。
11. Interpreting the Results | 解读结果
Beyond recording the numbers, you need to understand what they mean for the business. Tom's Tutoring generated a net profit of £40, which represents a 20% profit margin on revenue of £200. This is a healthy start for a small service business with very low overheads.
除了记录数字，你还需理解它们对业务意味着什么。汤姆的辅导业务实现了40英镑的净利润，相对于200英镑的收入来说，利润率为20%。对于一家管理费用极低的小型服务企业而言，这是一个良好的开端。
His cash position is also strong: he holds £140 in cash and £400 in the bank, giving total liquid assets of £540. This liquidity allows him to cover future expenses or reinvest in the business. The absence of liabilities means he is not relying on borrowed funds, which reduces risk.
他的现金状况也很强劲：持有140英镑现金和400英镑银行存款，
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