I was not aware that Arizona was the only school in the PAC 12 that does not have a fee. Especially in the case of Stanford and USC which have donation and trust funds funded to enormous amounts.
http://www.kvoa.com/story/31096126/ua-considers-student-fee-to-help-pay-for-stadium-renovation
Bearing Down on 60 million people visit our athletic facilities annually is a real big number, $3 out of each one gives us and extra $180M