Tank level measurement by gauging tape and plumb bob: find the labeling combination that is correct,

A. 1- Reference Point; 2-Tape Cut; 3-Bob Cut; 4-Ullage; 5- Innage
B. 1- Reference Point; 2-Tape Cut; 3-Bob Cut; 4-Innage; 5- Ullage
C. 1- Bob Cut; 2-Reference Point; 3-Tape Cut; 4-Ullage; 5- Innage
D. 1- Innage; 2-Tape Cut; 3-Bob Cut; 4-Ullage; 5- Reference Point