Slave Market

In a slave market, an owner is showing his slaves for selling. A man come to the shop and pointing to an American slave and asked, "how much he is?". The owner said, "$100". And the man pioint to a Russian slave, asked again, and the owner reply, "$1000". The man point to Japanese slave, and the owner reply , "$10000". Finally the man point to a African slave and ask the price, the owner reply, "$100000". The customer is confused and ask, "Why that black slave cost too much?". The owner reply, "His brain is still new, he never used his brain". ----------------------------------- I don't mean to make someone feel bad. Coz i am a afro-american :)