To increase the number of cleaners at a local school from 10 to 11, the employer has to raise the hourly rate of pay from $3.00 to $3.25. What is the marginal cost of labour per hour to the employer? A $0.25 B $3.25 C $5.75 D $33.25
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2018). The mark or mark type is shown in brackets.
- [1] Choice C is correct
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