某商场以每件20元的价格购进一种商品，试销中发现，这种商品每天的销售量m（件）与每件的销售价x（元）满足关系：m=140-2x。

（1）写出商场卖这种商品每天的销售利润y与每件的销售价x间的函数关系式；

（2）如果商场要想每天获得最大的销售利润，每件商品的售价定为多少最合适？最大销售利润为多少？

After extensive research, retired portfolio manager Justin Blake, CFA, purchased 20000 shares of a small public company. He then posted messages on several Internet bulletin boards. The message read, "This stock is going up once the pending patents are released. The stock is a buy at anything below $3. I just bought 20000 shares for my personal account. I have done some close research on this company." According to the Standards of Practice Handbook, Blake most likely violated the Standard or Standards associated with:（）

A. Conflicts of Interest and Integrity of Capital Markets.

B. Integrity of Capital Markets, but not Conflicts of Interest.

C. neither Conflicts of Interest nor Integrity of Capital Markets.