How Much Heat Energy Must Be Removed from 150 G

Multiple Choice

How much heat energy must be removed from 150 g of oxygen at 22°C to liquefy it at −183°C? (The specific heat of oxygen gas is 0.218 cal/g·°C,and its heat of vaporization is 50.9 cal/g. )

A) 14,300 cal
B) 9560 cal
C) 4320 cal
D) 2160 cal