An Air-Filled Parallel Plate Capacitor Has Plates of Area $100 \mathrm{~cm}^{2}$

An air-filled parallel plate capacitor has plates of area $100 \mathrm{~cm}^{2}$ and separation $0.25 \mathrm{~mm}$ . What is its capacitance?

A) $88 \mu \mathrm{F}$
B) $40 \mathrm{nF}$
C) $88 \mathrm{pF}$
D) $4.4 \mu \mathrm{F}$
E) $0.35 \mathrm{nF}$