Technician a Says That HID Headlamps Convert About 80% of the Electrical

Multiple Choice

Technician A says that HID headlamps convert about 80% of the electrical energy they consume into light energy.Technician B says that halogen lights use more energy but produce a 20% brighter beam than equivalent HID beams.Who is correct?

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