【正确答案】Suggested answers:
Candidate A: Hard work deserves rewards. I think staff should be rewarded for working extra hours in the evenings and at weekends, because they deserve reward. They're entitled to get pay for extra hours.
Candidate B: I don't think staff should be rewarded for working extra hours. Employees get salary and enjoy fringe benefits. They're obliged to work extra hours occasionally if the moment needs.