Which statement about the free surface correction is TRUE?

A
It is added to the uncorrected GM to arrive at the corrected available GM.
B
It is obtained by dividing the free surface moments by 12 times the volume of displacement.
C
It is obtained by dividing the total free surface by the total vertical moments.
D
It is subtracted from the total longitudinal moments before dividing by displacement to find LCG.
E