Year 9 Cambridge Accounting: Interdisciplinary Integrated Question Training | Year 9 Cambridge 会计：跨学科综合题型训练

📚 Year 9 Cambridge Accounting: Interdisciplinary Integrated Question Training | Year 9 Cambridge 会计：跨学科综合题型训练

Integrated questions in Year 9 Accounting require you to link financial concepts with other subjects such as mathematics, business studies, economics, IT, and law. This approach develops deeper understanding and problem-solving skills, preparing you for real-world accounting tasks.

跨学科综合题型要求你将会计概念与数学、商业研究、经济学、信息技术和法律等其他学科联系起来。这种方法可以加深理解并培养解决问题的能力，为你应对现实世界的会计任务做好准备。

1. Linking Mathematics: Percentage Calculations in Accounting | 链接数学：会计中的百分比计算

Percentage calculations are at the heart of many accounting tasks. You need to compute gross profit margin, net profit margin, depreciation rates, and mark-ups. Mastering percentages from your mathematics lessons helps you avoid errors in financial statements.

百分比计算是很多会计任务的核心。你需要计算毛利率、净利率、折旧率和成本加成。掌握数学课上的百分比知识能帮助你在编制财务报表时避免错误。

Example: A business has revenue of $5,000 and cost of sales of $3,000. Calculate the gross profit margin percentage.

示例：某企业收入为5,000美元，销售成本为3,000美元。计算毛利率百分比。

Solution: Gross profit = $5,000 – $3,000 = $2,000. Then apply the formula.

解答：毛利 = 5,000 − 3,000 = 2,000美元。然后应用公式。

Gross Profit Margin = (Gross Profit ÷ Revenue) × 100%

So, ($2,000 ÷ $5,000) × 100% = 40%.

因此，(2,000 ÷ 5,000) × 100% = 40%。

Practice: Calculate the mark-up percentage if cost price is $80 and selling price is $100.

练习：如果成本价为80美元，售价为100美元，计算成本加成百分比。

Answer: Mark-up = ($100 – $80) ÷ $80 × 100% = 25%.

答案：加成 = (100 − 80) ÷ 80 × 100% = 25%。

2. Business Studies Connection: Profit and Break-even Analysis | 商业研究联系：利润与盈亏平衡分析

From business studies, the break-even point shows the sales volume where total revenue equals total costs. Accounting provides the accurate cost classification (fixed and variable costs) needed for this calculation.

在商业研究中，盈亏平衡点是指总收入等于总成本的销售量。会计为这一计算提供了准确的成本分类（固定成本和变动成本）。

Interdisciplinary problem: A business has fixed costs of $800 per month. Each unit sells for $20 and has a variable cost of $12.

跨学科问题：某企业每月固定成本为800美元。每件产品售价20美元，变动成本为12美元。

(a) Find the break-even point in units. (b) If the business sells 120 units, what is the profit or loss?

(a) 计算盈亏平衡点（单位）。(b) 如果出售120件，利润或亏损是多少？

Solution:

解答：

Unit contribution = Selling price –

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