A man lost his hand in a war and goes to a shop to purchase a prosthetic hand.
He enters the shop and explains his situation. The storeman directs him to their selection and picks up the first prosthetic hand.
"This is one of our highest-quality prosthetic hands. It will feel as close to having the touch of your fingers as before the incident. It costs $1,500."
"No, thank you. That is too expensive for me," says the man. "Do you have anything cheaper?"
The storeman nods and picks up the next prosthetic hand.
"This one is almost as good as the other. It has received multiple high reviews from our customers. It costs $900."
Again, the man replies, "No, thank you. That is still too expensive. Do you have anything else?"
The storeman nods and picks up the last prosthetic arm on the rack.
"This is our cheapest prosthetic arm. It costs $650, but we only have it in green."
The man responds, "No, thank you. That is still too expensive, and I despise the colour green."
The storeman, out of options, tells the man, "Across the road, there is an old man close to death selling his prosthetic hand. From him, you can buy a third hand—second-hand, first-hand."