Predict stock and future

    On June 29 2008, when Master YunFeng talked to Mr. Song, one of his friend on the phone, Mr. Song asked advise of stock. Master YunFeng said, "You only buy ANLUN (one stock name of Yantai)! Buy at RMB 25 yuan, the price will rise over 60%" August 7 2008, price of "ANLUN" rist to RMB 39.98 yuan. rise scale up to 70%.

    In July, Master YunFeng talked about shares with Mr. Song again he said, "Don't ask me tiny thing! I told you that crude Oil in the world have a big decrease immediately. If you have idea, then you can go to USA for Oil business." But Lao Song replied that he couldn't go to USA.

    From July to August 12, overseas crude Oil dropped from $147 dollar to $114. According to overseas futures trade proportion 1:100, can you calculate how much will earn in futures trade this time? How much profit can you get when Spread is $30? 30 times profit!"