Characteristics of Free Enterprise
This is showing how much economic free each state is.
This comic shows how the caveman exchanged his food for a wheel.
This shows that you can own your own property and say what is allowed to happen on it.
Companies put things on sale in hopes that people will buy more of the object. They still make a profit on something that wouldn't sell most of the time.
The picture is showing companies trying to compete with each other by having the lowest price for the product.