ASE-Style Multiple Choice While Having a Discussion, Technician a Says

ASE-Style Multiple Choice While having a discussion, Technician A says that car manufacturers are required by federal regulations to equip cars with bumpers that can withstand 5 mph (8 km-h) collisions without incurring damage to the vehicle. Technician B says that the federal standards have been relaxed to 2.5 mph (4 km-h) . Who is correct?

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