A 25-MC Charge Is on the Y-Axis at Y = 3

A 2.5-mC charge is on the y-axis at y = 3.0 m and a 6.3-mC charge is on the x-axis at x = 3.0 m.What is the direction of the potential at the origin?

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