HKDSE · Analysis & Prediction

2021 HKDSE Business, Accounting and Financial Studies Past Paper Analysis

The 2021 HKDSE BAFS paper presented a balanced yet demanding set of questions. Paper 1 focused heavily on foundational concepts and scenario-based application, including the business impact of COVID-19. Paper 2A (Accounting) featured highly technical adjustments in partnership dissolution, complex ledger accounts with changing rates, and multi-product cost-volume-profit (CVP) analysis. Paper 2B (Management) required structured, context-specific integration of marketing strategies and human resources management rather than rote-learned textbook points.

Updated: 11 Jun 2026

Analysis Sample paper Solution

Difficulty 3.8/5

No official paper links

Total marks

170

Duration

210 mins

Most tested

Partnership Accounting (Admission & Dissolution) and Decision-making Costing (CVP/Marginal Costing)

Paper breakdown

Paper 1 (Compulsory Part): 90 marks · 75 minsPaper 2A (Accounting Module): 80 marks · 135 mins

Top chapters

Accounting for partnership · 20 marksCost Accounting for Decision-making · 20 marksAccounting for limited company · 20 marks

Difficulty Verdict

The 2021 BAFS examination is rated 3.8 out of 5 in terms of difficulty. While Paper 1 maintained a steady structure, several high-order conceptual questions in the multiple-choice section caught candidates off guard. Paper 2A tested core technical competence rigorously, particularly in partnership dissolution, multi-product CVP calculations, and accruals/prepayments adjustments. Paper 2B demanded precise application of business management frameworks to practical business scenarios, penalizing candidates who relied on generic, pre-memorized textbook lists.

Where the Marks Are Won or Lost

In Paper 1, marks were lost on conceptual details; for instance, only 17% of candidates correctly identified that the World Trade Organization (WTO) lowers rather than eliminates trade barriers. In Paper 2A, the accrual and prepayment ledger accounts (Q1) and the multi-product sales mix CVP calculations (Q3) were significant mark-distributors. Many candidates failed to calculate breakeven sales at the company-wide level, computing individual product breakeven points instead. In Paper 2B, candidates who could link their recommendations specifically to the case contexts (such as the sports/gym industry or toy retail) scored highly, whereas generic answers received minimal credit.

Examiner Pitfalls & Common Misconceptions

Accounting Principle Misapplications: In Paper 2A Q2, many candidates struggled to identify the realisation principle for service revenue recognition. In Paper 1 Section B, many candidates correctly identified the business entity concept but failed to explain its meaning in relation to the sole proprietor's personal transactions.
Partnership Capital & Realisation Accounts: In Q8 (dissolution), candidates frequently failed to record the realisation expenses in the partners' capital accounts or incorrectly calculated the revaluation profit/loss.
Vague Explanations in Management: In Paper 2B, candidates often confused the rights of a shareholder with their responsibilities or generic advantages of recruiting.

Preparation Strategy

To master future papers, students must:
1. Practice Ledger Account Reconstruction: Do not just learn the financial statements; master T-accounts for accruals, prepayments, and partnerships under exam time pressure.
2. Develop Context-Driven Writing: For management questions, always use the "Concept + Case Link + Impact" structure. Avoid dropping isolated textbook terms without connecting them directly to the provided business background.

Charts

Marks by chapter

See where the marks were concentrated so revision time goes to the highest-value topics.

Question type mix

Compare the mark share of each paper section and question type.

Multiple Choice60 marks · 30 questions
Short Questions44 marks · 8 questions
Structured Questions46 marks · 3 questions
Essay/Case Questions20 marks · 1 questions

Mark accessibility

Estimate which marks were basic, mid-level, or high-difficulty.

79%within easy or medium reach

easy: 65 marksmedium: 70 markshard: 35 marks

Command word frequency

Spot common command words so answers match the expected response style.

Skill weighting

Shows the skill mix this paper tested most heavily.

Study ROI

Bigger bubbles recur more often; higher bubbles carry more marks, helping you rank revision priorities.

Bank reconciliation statement

8 marks · Difficulty 2 · recurrence 90%

Forms of Business Ownership

11 marks · Difficulty 1.8 · recurrence 95%

Accounting Assumptions & Principles

10 marks · Difficulty 2.2 · recurrence 95%

Basic Financial Analysis (Ratios)

10 marks · Difficulty 2.5 · recurrence 85%

Time vs marks

Compare marks with suggested time allocation to plan exam pacing.

marksmins

Next-year prediction

Topics worth watching next year, with the reason shown directly below each bar.

Correction of errors85%

No major correction of errors / suspense account question appeared in 2021 Paper 2A, making it highly likely for next year.

Absorption vs Marginal Costing75%

Though marginal costing was tested via CVP in 2021, the direct comparative financial statements preparation remains a staple high-likelihood topic.

Cumulative marks ladder

The line is your running mark total question by question; dashed lines are the estimated grade cut-offs. See which question the line crosses your target grade at, so you know how far you must answer cleanly and which questions decide a band.

Examiner insights

Official report

Common pitfalls

Confusing the objective of WTO, incorrectly believing that it 'eliminates' trade barriers rather than 'lowering' them.
Calculating CVP breakeven sales volume at the individual product level instead of the overall company level for multi-product scenarios.
Omitting the transfer of realization expenses to the capital accounts of partners upon partnership dissolution.

Misconceptions

Believing that the Purchases Account records all transactions involving purchase returns or sales instead of solely the cost of purchasing goods.
Assuming a Statement of Financial Position represents financial performance over a period of time rather than a snapshot at a single point in time.

Where marks are lost

Incomplete adjustments for damaged stock valuation and sale-or-return goods under limited company final accounts.
Failure to accurately adjust ledger accounts for prepayments and accruals when the monthly expense rate changes mid-year.

Estimated grade cut-off

Updated: 11 Jun 2026

Source: DSE Treasure — DSE Cut-off (2012–2025, all subjects)

Level	Mark	Percentage
5**	—	86%
5*	—	78%
5	—	70%
4	—	54%
3	—	38%

Estimated cut-offs only. The HKEAA does not publish official raw-mark cut-offs for the HKDSE; these figures are reconstructions from the cited source and may differ from the actual boundaries.