Answer:
Yes it is
Explanation:
Yes. When an event has been advertised as educational, going ahead to discuss plan-specific premiums is impermissible
The event for which Mary made the presentation is clearly an educational event so she should have concentrated fully on only educational contents that pertains to the event. Giving a presentation that mentions plan-specific premiums no matter how brief is a deviation from the main focus of the event. Therefore it is impermissible for her to do so.