For a Sthenic PA Oblique Stomach and Duodenum Projection (RAO

For a sthenic PA oblique stomach and duodenum projection (RAO position) , the
1) patient is rotated until the midcoronal plane is at a 70-degree angle with the IR.
2) central ray is centered 1 to 2 inches superior to the lower rib margin.
3) central ray is perpendicular.
4) central ray is centered to the fundus.

A) 1 and 4 only
B) 2 and 3 only
C) 3 and 4 only
D) 1, 2, 3, and 4