Match List I (Processes) with List II (Tolerances obtained) and select the correct answer:
List I List II
A. Plasma Arc machining 1. 7.5 microns
B. Laser Beam machining 2. 25 microns
C. Abrasive Jet machining 3. 50 microns
D. Ultrasonic machining 4. 125 microns
A B C D
(a) 4 1 3 2
(b) 3 2 4 1
(c) 4 2 3 1
(d) 3 1 4 2