A 35-C Point Charge Sits in the Center of a 1

A 3.5-C point charge sits in the center of a 1 m cube.What is the electric flux through one side of the cube?

A) 5.0 * 10¹⁰ Nm²/C
B) 3.3 * 10¹⁰ Nm²/C
C) 4.5 * 10¹⁰ Nm²/C
D) 6.6 * 10¹⁰ Nm²/C
E) 7.2 * 10¹⁰ Nm²/C