While Having a Discussion About Compressor Crankcase Oil, Technician a Says

Multiple Choice

While having a discussion about compressor crankcase oil, Technician A says that under clean operating conditions, the oil should be changed at the end of 200 running hours or every three months, whichever occurs first.Technician B says that the oil should be changed at the end of 900 running hours or every eight months, whichever occurs first.Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B