Commonwealth Bank Revenue and Net Profit

The Commonwealth Bank growth between 2006 and 2016, when profits expanded from $3.9 to $9.2 billion. That is huge profit growth rather than passing the savings to their customers.
Source: CBA Annual Reports and RBA Consumer Price Inflation G1:
https://www.commbank.com.au/about-us/shareholders/shareholder-information/annual-reports.html
http://www.rba.gov.au/statistics/tables/