Observe the sequence of figures.
Which of the answer choices logically comes next in the series?
Series:
1.
A square with a small black circle in the top-left corner.
2.
A square with a small black circle in the top-right corner and a short line extending outward from the middle of the top side.
3.
A square with a small black circle in the bottom-right corner and short lines extending outward from the top and right sides.
4.
A square with a small black circle in the bottom-left corner and short lines extending outward from the top, right, and bottom sides.