Audio problem: As Fred slides down the banister he cries out "Whee!" but his mouth remains closed. (00:16:50)
Audio problem: When Drop Dead Fred is hanging from the yellow rope outside the boat, and there is water spraying up, Fred says something like : "I dunno" and laughs. Notice this doesn't match his mouth movements.
Answer: Being late and unreliable is what she did wrong. It's possible it was a pattern and she was warned about her tardiness before and not just a one time thing. Even though we can only speculate this, since that is all we see, it makes sense and adds to showing her life spiraling downwards.
Bishop73