<p>Supermarket giants in the firing line over allegations of price gouging have been urged to improve their transparency, in a long-awaited consumer watchdog report released today.</p>

Supermarket giants in the firing line over allegations of price gouging have been urged to improve their transparency, in a long-awaited consumer watchdog report released today.

Australia's supermarkets 'most profitable in the world'

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Australia's supermarkets 'most profitable in the world'

Australia's supermarkets 'most profitable in the world'