During an Adiabatic Compression,a Volume of Air Decreases to 1/4 $\gamma$

During an adiabatic compression,a volume of air decreases to 1/4 its original size.Calculate its final pressure if its original pressure was 1 atm.(Assume the air behaves like an ideal gas with $\gamma$ = 1.4. )

A) 7.0 atm
B) 5.6 atm
C) 3.5 atm
D) 2.2 atm
E) 0.14 atm