Two Point Charges of Magnitude 4

Two point charges of magnitude 4.0 μC and -4.0 μC are situated along the x-axis at x₁ = 2.0 m and x₂ = -2.0 m, respectively. What is the electric potential at the origin of the xy-coordinate system?

A) -36 × 10³ V
B) 0 V
C) 36 × 10³ V
D) -48 × 10³ V
E) 48 × 10³ V