The ornamental design for a point-of-sale cart, as shown and described.
FIG. 1 is a front right perspective view of a point-of-sale cart;
FIG. 2 is a back right perspective view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a back view thereof;
FIG. 6 is a front view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a front right perspective view of the point-of-sale cart illustrated in an alternate position;
FIG. 9 is a back right perspective view of FIG. 8;
FIG. 10 is a right side view of FIG. 8;
FIG. 11 is a left side view of FIG. 8;
FIG. 12 is a back view of FIG. 8;
FIG. 13 is a front view of FIG. 8; and,
FIG. 14 is a top view of FIG. 8.
The uniform broken lines shown in the drawings are included for purposes of illustrating portions of the point-of-sale cart and form no part of the claimed design; whereas the non-uniform broken lines shown in the drawings are included for purposes of illustrating environment and form no part of the claimed design.