A Uniform Electric Field Exists Between Two Parallel Plates Separated

A uniform electric field exists between two parallel plates separated by 1.2 cm. The intensity of the field is 23 kN/C. What is the potential difference between the plates?

A) 7.5 MV
B) 0.30 kV
C) 3.0 MV
D) 15 kV
E) None of these is correct.