A Parallel Plate Capacitor Has a Paper Dielectric Having Dielectric

A parallel plate capacitor has a paper dielectric having dielectric strength 8.0 kV/mm and dielectric constant 3.0. The plate area is 3000 cm² and the plate separation is 0.50 mm. What is the highest voltage that can be applied to this capacitor before breakdown occurs?

A) 15 V
B) 1.2 × 10² V
C) 4.0 × 10² V
D) 4.0 × 10³V
E) 1.2 × 10⁴ V