Someone put up this advertisement

Someone put up this advertisement.
No one believed it, but one old man responded and went to see the car.
The Lady actually sold him a Mercedes, which had done just 12,000 km's, for $1
She handed him the papers and the Car keys. Deal done.
As the old man was leaving, he said, " I would die of suspense if you don't tell me why this car was sold so cheap.”
The Lady replied .... "I am just fulfilling the will of my deceased husband, which stipulated all money received from the sale of his Mercedes would go to his Secretary”