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Secondary 4 Principles of Accounts Semestral Assessment 1 (Mid-Year) Paper 5

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Questions

TuitionGoWhere Exam Practice (AI) — SA1 Practice Paper

Principles of Accounts Secondary 4 — Inventory Costing (Version 5 of 5)

School: TuitionGoWhere Secondary School (AI)
Subject: Principles of Accounts
Level: Secondary 4
Paper: SA1 Practice Paper (Version 5)
Duration: 60 minutes
Total Marks: 60
Name: ________________________
Class: ________
Date: ____________

Instructions:

This paper contains 20 questions across three sections.
Answer all questions in the spaces provided.
Show all workings clearly. Method marks are awarded.
Use the lower of cost and net realisable value basis where inventory valuation is required.

Section A: Inventory Concepts and Errors (Questions 1–5) [10 marks]

1. State the accounting concept that requires inventory to be valued at the lower of cost and net realisable value. [1]

2. Define "net realisable value" of inventory in your own words. [2]

3. Bright Store had closing inventory on 31 Dec 2025 overstated by $800. State the effect of this error on the profit for the year ended 31 Dec 2025. [1]

4. List two items that should be included in the cost of inventory. [2]

5. A business uses FIFO. Explain why FIFO is suitable for a business selling perishable goods. [4]

Section B: Inventory Calculations (Questions 6–13) [24 marks]

6. Calculate cost of sales for the year ended 31 Dec 2025 from the following:
Opening inventory $4,000; Purchases$ 26,000; Closing inventory $5,500. [2]

Working: ________________________________________
Answer: ________________________________________

7. Using the answer from Q6, if revenue was $45,000, calculate gross profit. [2]

Working: ________________________________________
Answer: ________________________________________

8. Compute average inventory given opening inventory $3,200 and closing inventory$ 4,800. [1]

Working: ________________________________________
Answer: ________________________________________

9. Calculate inventory turnover rate for Year 2025: COGS $60,000; Opening inventory$ 7,000; Closing inventory $9,000. [2]

Working: ________________________________________
Answer: ________________________________________

10. The following purchases were made by Lian Hardware:
1 Jan: 100 units @ $5 15 Jan: 200 units @$ 6
20 Feb: 150 units @ $7
Sales: 250 units in Feb. Using FIFO, calculate cost of goods sold for the 250 units sold. [4]

Working: ________________________________________

Answer: ________________________________________

11. Using AVCO (weighted average) for the same data in Q10, calculate the cost per unit (to 2 decimal places) after all purchases but before sales. [3]

Working: ________________________________________

Answer: ________________________________________

12. A business has opening inventory $2,500, purchases$ 18,000, carriage inwards $500, closing inventory$ 3,000. Calculate COGS. [2]

Working: ________________________________________
Answer: ________________________________________

13. If inventory turnover rate is 6 times and average inventory is $4,000, calculate COGS. [2]

Working: ________________________________________
Answer: ________________________________________

Section C: Interpretation and Structured Response (Questions 14–20) [26 marks]

14. Compare and comment on the inventory turnover of Firm A (8 times) and Firm B (4 times), both in the same retail industry. [3]

15. State how a business should value damaged inventory that cost $1,000 but can only be sold for$ 600 after $50 selling costs. Show the valuation figure. [3]

Working: ________________________________________
Answer: ________________________________________

16. The trial balance of Mega Supplies shows opening inventory $5,000, purchases$ 40,000, closing inventory $6,000, revenue$ 90,000. Prepare the inventory section of the income statement for the year ended 31 Dec 2025. [4]

Working: ________________________________________

Answer: ________________________________________

17. An extract from the inventory ledger of Tama Trading is shown below.

Table for 17 (SEC4 Poa)

Generated table for 17.

Using FIFO, calculate the closing inventory value at 31 Jan from the card above. [4]

Working: ________________________________________

Answer: ________________________________________

18. Explain why understating closing inventory by $2,000 will understate profit by the same amount. [4]

19. A company can choose FIFO or AVCO. Discuss one advantage and one disadvantage of using AVCO. [4]

20. The following data for two years are given:
Year 1: COGS $50,000, Avg Inventory$ 10,000
Year 2: COGS $66,000, Avg Inventory$ 11,000
Calculate inventory turnover for both years and comment on the trend. [4]

Working: ________________________________________

Answer: ________________________________________
Comment: ________________________________________

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Answers

TuitionGoWhere Exam Practice (AI) — SA1 Practice Paper Answers (Version 5)

Principles of Accounts Secondary 4 — Inventory Costing

Total Marks: 60

Section A Answers (10 marks)

Q1 [1 mark]
Answer: Prudence (or conservatism) concept.
Teaching note: The prudence concept tells us not to overstate assets or profit. Inventory is recorded at lower of cost and NRV so that asset is not overstated.

Q2 [2 marks]
Answer: Net realisable value (NRV) is the estimated selling price of inventory minus any costs needed to make the sale (e.g. selling, distribution costs).
Marking: 1 mark for selling price minus costs; 1 mark for clear definition.
Teaching note: NRV shows what cash the business will actually get from the stock.

Q3 [1 mark]
Answer: Profit is overstated by $800.
Teaching note: COGS = Opening + Purchases − Closing. If closing inventory is overstated, COGS is understated, so profit is overstated.

Q4 [2 marks]
Answer: Any two of: purchase price, carriage inwards, import duties, direct handling costs.
Marking: 1 mark each.
Teaching note: Cost of inventory includes all costs to bring it to saleable condition.

Q5 [4 marks]
Answer: FIFO sells oldest stock first, so perishable goods are issued before they expire; this reduces spoilage and obsolescence; matches physical flow; reduces write-downs.
Marking: 1 mark for FIFO explanation, 3 marks for reasoned links.
Teaching note: FIFO = First-In-First-Out. For perishables, old stock must go first.

Section B Answers (24 marks)

Q6 [2 marks]
Working: COGS = $4,000 +$ 26,000 − $5,500 =$ 24,500
Answer: $24,500
Teaching note: Formula: Opening + Purchases − Closing.

Q7 [2 marks]
Working: Gross Profit = Revenue − COGS = $45,000 −$ 24,500 = $20,500 Answer:$ 20,500

Q8 [1 mark]
Working: ( $3,200 +$ 4,800) ÷ 2 = $4,000 Answer:$ 4,000

Q9 [2 marks]
Working: Avg Inv = ( $7,000 +$ 9,000) ÷ 2 = $8,000 Turnover =$ 60,000 ÷ $8,000 = 7.5 times
Answer: 7.5 times

Q10 [4 marks]
Working (FIFO):
First 100 units @ $5 =$ 500
Next 150 units @ $6 =$ 900
Total COGS = $500 +$ 900 = $1,400 Answer:$ 1,400
Marking: 2 marks for layers, 2 for total.

Q11 [3 marks]
Working: Total units = 100+200+150 = 450
Total cost = $500 +$ 1,200 + $1,050 =$ 2,750
AVCO = $2,750 ÷ 450 =$ 6.11 (2 dp)
Answer: $6.11
Marking: 1 unit total, 1 cost, 1 division.

Q12 [2 marks]
Working: COGS = $2,500 +$ 18,000 + $500 −$ 3,000 = $18,000 Answer:$ 18,000

Q13 [2 marks]
Working: COGS = Turnover × Avg Inv = 6 × $4,000 =$ 24,000
Answer: $24,000

Section C Answers (26 marks)

Q14 [3 marks]
Answer: Firm A turns stock 8 times (faster, less holding cost, better cash flow); Firm B 4 times (slower, more storage, obsolescence risk). Same industry → A more efficient.
Marking: 1 compare, 2 comment.

Q15 [3 marks]
Working: NRV = $600 −$ 50 = $550; Cost =$ 1,000 → lower = $550 Answer: Value at$ 550
Marking: 1 NRV, 1 lower, 1 figure.

Q16 [4 marks]
Working:
Opening inventory $5,000

Purchases $40,000 =$ 45,000
− Closing inventory $6,000 COGS =$ 39,000
Answer layout:
Revenue $90,000 Less COGS$ 39,000
Gross Profit $51,000
Marking: 2 calc, 2 statement.

Q17 [4 marks]
Expected visual: table with layers as described.
Working (FIFO):
Balance after 10 Jan issue: 150 @ $11 (from 1 Jan 100@$ 10 sold, 50 of 5 Jan left) = $1,650; plus 200@$ 11? Actually: 1 Jan 100@10, 5 Jan 200@11. Issue 150 → 100@10 + 50@11 sold. Left: 150@11 = $1,650. 20 Jan receipt 100@12 → bal 150@11 + 100@12. 25 Jan issue 200 → 150@11 + 50@12 sold. Left: 50@12 =$ 600.
Answer: $600
Marking: 2 layers, 2 value.

Q18 [4 marks]
Answer: COGS = O + P − C. If C understated by $2,000, COGS overstated by$ 2,000, so profit understated by $2,000.
Marking: 2 formula, 2 effect.

Q19 [4 marks]
Answer: Adv: smooths price fluctuations, simple average. Disadv: less matching of physical flow, may hide recent cost changes.
Marking: 2 each.

Q20 [4 marks]
Working: Y1 = $50,000 ÷$ 10,000 = 5 times; Y2 = $66,000 ÷$ 11,000 = 6 times.
Comment: Efficiency improved, faster stock movement.
Marking: 1 each calc, 2 comment.