Answer:
The theme of this story is that you should own up to your mistakes and to be careful and considerate with other peoples stuff.
Step-by-step explanation:
The parts of the story that lead me to believe this is "Nicole was extremely
disappointed" this shows that she was upset that it was broken and that Lia was not honest.", Lia shook her head in disgust and told herself, 'Some people don't appreciate anything.' " this shows that Lia was inconsiderate and rude