A customer states that their air-conditioning system does not work. It is observed that the A/C clutch does not turn on when the A/C button is activated. Technician A says this can be caused by an open in the high-pressure cutout switch circuit. Technician B says this can be caused by a faulty A/C pressure transducer. Who is correct? a) A only b) B only c) Both A and B d) Neither A nor B