A semisubmersible, displacing 20,500 long tons, has vertical moments of 1,060,000 foot-long tons. What is the change in KG if 500 long tons are discharged from a VCG of 120 feet?

A
1.22 feet downward
B
1.71 feet downward
C
1.75 feet downward
D
2.93 feet downward
E