Please solve

4. Consider a square which is 1.0 m on a side. Charges are placed at the corners of the square as follows: +4.0 uC at (0, 0); +4.0 uC at (1, 1); +3.0 MC at (1, 0); -3.0 JC at (0, 1). What is the magnitude of the electric field at the square's center? OS (O VN DON (8 161 0OS (A A) 1.1 x 105 N/C B) 1.3 x 105 N/C C) 1.5x 105 N/C D) 1.7x 105 N/C