A $2.5-\mathrm{mC}$ Charge Is on The $y$ -Axis At $y=3.0 \mathrm{~m}$ , and A

A $2.5-\mathrm{mC}$ charge is on the $y$ -axis at $y=3.0 \mathrm{~m}$ , and a $6.3-\mathrm{mC}$ charge is on the $x$ -axis at $x=3.0 \mathrm{~m}$ . What is the direction of the electric potential at the origin?

A) $168^{\circ}$
B) $332^{\circ}$
C) $292^{\circ}$
D) $22.0^{\circ}$
E) potential has no direction