一个养牛专业户养了6头奶牛，每头奶牛价值4000元．根据规定，奶牛保险的保险金额只能按参加保险时价值的七成计算．如果每年的保险费率是0.3%，这个专业户每年要交保险费多少元？

According to the AIMR Standards of Professional Conduct, which of the following about Standard Ⅲ (E), Preservation of Confidentiality, is TRUE（）

A. If a member receives information due to his or her special relationship with the client indicating illegal behavior on the part of the client, the member may not have an obligation to inform the appropriate authorities. 

B. Confidentiality clauses in settlement agreements protect members from divulging information during investigations. 

C. Employees who are also working for the client should keep the information of the clients confidential.