Is this government review aimed at justifying massive visa application charge increases?

The Australian Government has asked the Productivity Commission to undertake a 12-month long public inquiry into the use of charges to determine the intake of migrants.
According to a media release from the Treasury, in undertaking this inquiry, the Commission will report and make recommendations about the following:
1. The benefits and costs that the intake of permanent entrants can generate with respect to:
- the budgets and balance sheets of Australian governments, including from:
- entry charges
- government services used (including public health, education, housing, social and employment services) now and in the future;
- the dilution of existing, government-held assets and liabilities across a larger population; and
- taxes paid now and in the future;
b. the income, wealth and living standards of Australian citizens, including with respect to:
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