Being able to work in a public accounting firm before graduaution to see if this is what I really wanted to do. Happy to say it is.
As mentioned, the training aspect. But it was their first time doing it in a group setting.
Advice to Potential Interns
Do not be afraid to ask questions. Its better to do that and build on learning. Also, take this seriously. Other interns did not take it as serious and still expected a full time offer. Hard work always pays off in the end.