Technician a Says That Turbocharger Boost Pressures Are Higher in EGR

Technician A says that turbocharger boost pressures are higher in EGR engines to compensate for power loss when using EGR gas. Technician B says that higher boost pressures are used to ensure that the combustion chamber receives an adequate amount of oxygen to support combustion. Who is correct?

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