A short and profound joke

Let me also think of an 8.

Zhang San is a famous miser in town.

One day, his relatives came to visit his home. Just outside came a cooked beef seller, and his relatives said to Zhang San, "Buy me a catty of beef, and your family will eat tofu."

Zhang San felt embarrassed and had to go out to buy beef.

Soon, I heard the voice of bargaining from outside.

"How about three yuan a catty?"

"no!"

"How about five yuan a catty?"

"no! ! ! ! "

"Seven yuan a catty belongs to the head office."

"No, no, not even a hundred dollars!"

Zhang San came back and said to his relatives, "Somehow, he just refused to sell it to me."

His relatives have to admit that they are unlucky.

In the evening, his wife scolded him: "Are you stupid? Three yuan a catty is not enough. Do you want seven dollars? "

Zhang San said, "No, I'm exchanging bricks with him!" " "