A client of a hospital where they made brain transplantations asked about the prices.
The doctor said, "Well, this Ph.D.
brain costs $10,000.
This brain belonged to a NASA top scientist and costs $15,000.
Here we have a policeman's brain as well.
It costs $50,000." The client asked, "What?
How's that possible?" The doctor replied, "You see, it's totally unused."