The COASTAL DRILLER, in ocean transit at a draft of 10 feet 6 inches with winds less than 70 knots, has a KGT of 50.6 feet and a KGL of 51.4 feet. The margin on the maximum allowable KG is _________________.

A
13.6 feet
B
14.4 feet
C
40.0 feet
D
65.0 feet
E