How many hours do they work each month based on their weekly working hours?

A. Police officer: 50 hours/week * 4 weeks = 200 hours/month. B. Artist: 10 hours/week * 4 weeks = 40 hours/month. C. Doctor: 12 hours/day * 6 days/week * 4 weeks = 288 hours/month. D. Actor: 3 days/week * 4 weeks = 12 days/month.