TO SUMMARIZE FOR THOSE WHO WANTS TO APPLY FOR PARENT VISA
Parent (Permanent) Visa (Subclass 103) CAPPED AND QUEUED.
A permanent visa for parents who have children living in Australia.
1st instalment $2060
2nd instalment $1795
Contributory Parent (Migrant) Visa (Subclass 143) CAPPED
A permanent visa for parents with children living in Australia. This visa costs more than the Parent visa but is generally processed faster.
1st Installment $2060
2nd instalment $42 220
Contributory Parent (Temporary) Visa (Subclass 173) CAPPED
This is a temporary visa valid for two years. If you hold this visa you can then apply for the permanent Contributory Parent visa (subclass 143).
1st Installment $2060
2nd instalment $25 330
Contributory Parent (Migrant) Visa (from Subclass 173 to Subclass 143) CAPPED
This visa is for holders of a temporary Contributory Parent visa (subclass 173), who want to apply for a permanent Contributory Parent visa (subclass 143).
1st Installment $280
2nd instalment $16 885
Here are the links
http://www.immi.gov.au/migrants/family/parent-outside.htm
http://www.immi.gov.au/allforms/990i/parent.htm
http://www.immi.gov.au/about/charters/client-services-charter/visas/5.0.htm
good luck!