gary (principal) hires dawn (agent) to sell his house. every time dawn tries to bring a potential buyer to see gary's house, he asks her to reschedule for another day. dawn suspects that gary does not actually want to sell his house. is gary in breach of his duty? yes, because he has a responsibility to not interfere with dawn's task. yes, because he failed to warn dawn of the potential for pecuniary loss. no, because principals have no duties toward their agents. no, because gary does not have a fiduciary duty to dawn.