You are on a Mariner class cargo vessel. Your drafts are: FWD 17'-04", AFT 19'-04". You wish to increase the calculated GM of 3.0' to 4.2'. What tanks should you ballast? (Use the white pages in the Stability Data Reference Book.)

A
Tanks: DB3, DB4
B
Tanks: DB6, DB3
C
Tanks: DB2, DB6
D
Tanks: DT7, DT8, DB3
E