If your dad gets declined with a Plus loan, then your Stafford loan gets increased by about $4k each year. However, you're talking about private loans of $16k per year-about $65k for all 4 years PLUS your Stafford loans of about $30k. That's over $90k in loans.
This written warning is being issued pursuant to the guidelines of the University Disciplinary Policy, and will remain active in your personnel files for 12 months or until you receive at least an overall evaluation of Good and a Good on Principal Function 2 which covers your reporting responsibilities.
If you have received discovery requests (which would probably come in the mail), you have thirty days to mail your written responses back to the other side. Missing that thirty-day deadline can be serious. It could even result in you losing the case.