A firm currently employs 30 workers at a daily wage of $50 each. The marginal cost of employing one extra worker is $112 per day. By how much will the firm have to increase the daily wage in order to increase its labour force from 30 to 31 workers?
📋 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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