While Having a Discussion, Technician a Says That Job Overlap

Multiple Choice

While having a discussion, Technician A says that job overlap means that replacement of one part duplicates some labor operations required to replace an adjacent or attached part.Technician B says that with job overlap, estimating guide's flat-rate labor times do not need to be reduced.Who is correct?

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