The ornamental design for portions of a right side shelf and cabinet incline, as shown and described.
FIG. 1 is an isometric view of portions of a right side shelf and cabinet incline in accordance with the invention;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines form no part of the claimed design. The rounded broken-line corners and the broken-line showing of one side of the cabinet incline portion of the design represent the bound of the design. Surfaces not shown in the drawing are flat, plain and unornamented.