Three + 50 nC charges are placed at three corners of a rectangle of dimensions 3.0 cm by 4.0 cm, as shown below (not to scale). The electric potential at point Q located at the 4th corner is given by.
a) 0 V
b) + 26,200 V
c) + 35,200 V
d) + 150 V
e) + 352 V