You are on a Mariner class cargo vessel. Your drafts are: FWD 24'-00", AFT 25'-08". You wish to increase the calculated GM of 3.0' to 4.1'. What tanks should you ballast? (Use the white pages in the Stability Data Reference Book.)

A
Tanks: DB3, DT1A
B
Tanks: DB2, DB6, DT6
C
Tanks: DB 3, FB7, DT1
D
Tanks: DB4, DT6
E