One Kilogram of Chilled Water (0 $\degree$ C)is Placed in a Freezer Which Is Kept at 0

One kilogram of chilled water (0 $\degree$ C) is placed in a freezer which is kept at 0 $\degree$ F (-18 $\degree$ C) .Approximately how much electric energy (in kilocalories) is needed just to freeze the water if the room temperature is maintained at 75 $\degree$ F (24 $\degree$ C) ? (L_ice = 333 J/g;c_ice = 209 J/g. $\degree$ C. )

A) 11
B) 15
C) 16
D) 13
E) 33