A wire bent into an "L" shape carries a current of I = 4.3 A, and is situated in the x-y plane with the corner of the "L" situated at the origin of the axes. There is a uniform magnetic field of strength 0.2 T directed into the x-y plane. If the short part of the "L has length a = 1.96 m and the long part has length b = 8.52 m, what torque (around the origin) does the magnetic field exert on the wire? (Anticlockwise torque is positive, clockwise is negative).