FIG. 1 is a left, top, front perspective view of a sink embodying my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof, the rear elevational view thereof being identical to the front elevational view shown;
FIG. 4 is a left side elevational view thereof, the right side elevational view thereof being a mirror image of the left side shown; and,
FIG. 5 is a bottom plan view thereof.
The broken line representations of holes in FIGS. 1, 2, and 5 are for the purpose of illustration only, and form no part of the claimed design.