The vertices of a rectangle are plotted in the image shown.
A graph with the x-axis and y-axis labeled and starting at negative 8, with tick marks every one unit up to positive 8. There are four points plotted at negative 5, 3, then 3, 3, then negative 5, negative 2, and at 3, negative 2.
What is the perimeter of the rectangle created by the points?
40 units
26 units
21 units
13 units