Musa overlooked her supervisory duty (Standard IV(C)) in..

问题如下：

In Dunfield Brokers, Mariam Musa, CFA, queries Omar Kassim, a research analyst and CFA candidate, about his recent stock purchase just prior to recommending it. Kassim justifies his action citing no existing internal trading rules. Which individuals most likely contravened the CFA Institute's ethical guidelines?

选项：

A.Solely Musa B.Solely Kassim C.Both Musa and Kassim

解释：

Option C is correct. Both Musa and Kassim have not adhered to the professional conduct standards. Musa overlooked her supervisory duty (Standard IV(C)) in implementing trading policies, and Kassim violated the standard of giving precedence to client interests (Standard VI(B)) by trading before his recommendation.