Coles is fighting claims by the consumer watchdog it misled customers by artificially increasing prices before reducing them ...

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Emails from senior figures at Coles have been aired in court, shedding light on the company’s fears its rules were preventing it being competitive with Woolworths.

Coles claims requests from suppliers to increase costs led to price changes which are being scrutinised in a major court case.

Australia's consumer watchdog has accused Coles of artificially increasing prices to create discounts, while the supermarket giant blames supplier cost hikes.