A-LevelEconomicsDemand and SupplyMay/June 2011Paper 1 Q91 Mark
A refinery which processes oil into petrol (gas) is faced with the following conditions. 1 It is working at full capacity. 2 Its petrol storage tanks are full. 3 It has received delivery of a new fleet of petrol tankers to transport its petrol. 4 It requires six months to train new workers to qualify in safety procedures. Which of the conditions will tend to make the supply of petrol relatively price inelastic?
A1 and 2
B1 and 4
C2 and 3
D3 and 4
✓ Correct Answer
The correct answer is B: 1 and 4
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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