Technician a Says the Toroidal Continuously Variable Transmission (CVT) Is

Multiple Choice

Technician A says the toroidal continuously variable transmission (CVT) is limited in production because of high manufacturing cost. Technician B says the toroidal, or roller, design uses four curved discs - two input discs and two output discs. Who is correct?

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