The treasury assumptions are pretty clear, and they’re a national assumption, rather than specifically about Sydney or Melbourne on its own.”Treasurer Jim Chalmers is out and about this morning, spuiking the government's cost-of-living measures due to come into effect tomorrow.Tomorrow also marks the start of the government's decision to wind back the fuel excise He also said it could be a couple of days before motorists experience a change in price."What it means, an average motorist will save $11 a tank, all through the month of July, and that's because we're extending this cost-of-living help and it's another important way that we are helping people who are under pressure, particularly with these new cost-of-living measures which come in from tomorrow."Michaelia Cash doesn't think voters are all that interested in her colleague Melissa McIntosh's idea of a Liberal Party rebrand."Australians don't want us to rebrand