A semisubmersible with a displacement of 20,000 long tons and a KG of 52 feet discharges 300 long tons of barite from P-tanks located 120 feet above the keel. What is the change in KG?

A
0.79 foot downward
B
1.00 foot downward
C
1.04 feet downward
D
1.83 feet downward
E