A Dipole with ±6

Multiple Choice

A dipole with ±6.0 μC charges is positioned so that the positive charge is 1.0 mm to the right of the origin and the negative charge is at the origin.How much work does it take to bring a 10.0 μC charge from infinity to a position x = 3.0 mm,y = 0.0 mm? (The value of k is 9.0  10⁹ N·m²/C². )

A) 90 J
B) 450 J
C) 75 J
D) 200 J