An ounce of brains
A lawyer finds out he has an inoperable brain tumor.
It's so large, they have to do a brain transplant.
His doctor gives him a choice of available brains.
There's a jar of rocket scientist brains for $10 an ounce.
A jar of regular scientist brains for $15 an ounce.
And a jar of lawyer brains for the sum of $800 an ounce.
The outraged lawyer says, "This is a rip off! How come the lawyer brains are so damned expensive?"
The doctor replies, "Do you know how many lawyers it takes to get an ounce of brains?"