Technician a Says That an Engine Malfunction on a Mack

Multiple Choice

Technician A says that an engine malfunction on a Mack electronic engine manufactured between 2002 and 2010 can have up to 10 possible causes. Technician B says that an electronic engine malfunction on a post-2010 Mack engine can have up to 25 possible causes. Who is correct?

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