Ethics question on Fair dealing

CFA Level II Ethics
#1

Could kindly explain if the below would be a violation of the Fair Dealing standard?

If an analyst has access to Material Non-Public information and uses it for the benefit of one of her/his clients and not the others. This would breach the standard on MNPI anyway, but does Fair dealing also come into it? Even though they should not be using that information anyway for anyone?

If they used it for their own account and not clients accounts as well, would this breach ‘priority of transactions’ or would the violations stop at the first violation (MNPI violation)?

Thanks!

#2

What does the text say. I’m assuming you got that from the text. Personally I’d chose the option stating he violated both