A conducting wire is bent into an L-shape consisting of two mutually perpendicular arms, each 0.15m long. A current of 10A flows from the corner towards the free ends of both arms. The assembly is placed in a uniform magnetic field of 0.40T directed vertically upward, while both arms lie in the horizontal plane. What is the magnitude of the net force on the entire L-shaped wire?
a) 1.20N
b) 0.60N
c) 0.85N
d) 0.42N