ACS has published a note on their website as follows:
Cost & Charges
| Application Type | Fee |
|---|
| Temporary Graduate - 485 Skills Assessment | $475 |
Post Australian Study Skills Assessment
| $500
|
Skills (general application)
| $500
|
Recognition of Prior Learning (RPL)
| $550
|
Review Application
| $395 |
Appeal Application
| $395 |
To ensure you submit the correct skills application, please review the Skills Assessment Guidelines for Applicants for a detailed explanation of the application type criteria.
All skills assessment fees include a total of eight assessment episodes per application. An assessment episode can be made up of qualifications or employment documentation. This means you can submit any combination of qualifications and employment episodes that total eight episodes per application.
A $50 fee applies for each additional qualification or employment episode that exceeds the maximum of eight per application. Fees are in Australian dollars (AUD).
Please note that all costs and charges for skilled migration will increase by CPI effective 4th July, 2022.
Source: https://www.acs.org.au/msa/information-for-applicants.html