I’m not sure if they will give you more financial aid, but you can have the $300 enrollment waived. When you go to pay for the deposit in YouSC, it gives you the option of a credit card or waiver. And, talk to financial aid about the $800 housing fee and they should waive it too.
They discussed the $800 in this thread:
Even though it’s 5 years old, it should still be valid.