The details of a planned college course are as follows: course fee per student $100 variable course cost per student $20 total fixed costs of the course $480 The budgeted number of students is 10. However, if a lower fee is charged, 20 students are likely to take the course. How much should the course fee of $100 be reduced by to earn the same total profit from 10 students as from 20 students?
✓ Correct Answer
The correct answer is C: $40
📋 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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