Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #13. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in vertical moments with this transfer?

A
81 ft-kips increase
B
31 ft-kips increase
C
26 ft-kips decrease
D
47 ft-kips decrease
E