Three + 40-MC Fixed Point Charges Are Located at (0

Three + 4.0-mC fixed point charges are located at (0.0 mm,0.0 mm) ,(2.0 mm,2.0 mm) ,and (2.0 mm,-2.0 mm) .What is the magnitude of the electric field at the position (2.0 mm,0.0 mm) ?

A) 0.0 N/C
B) 1.8 * 10¹⁰ N/C
C) 2.7 * 10¹⁰ N/C
D) 9.0 * 10¹² N/C
E) 2.7 * 10¹³ N/C