Opinion Deputy business editor April 27, 2026 — 5:00am The hip-pocket impact of the Iran war is moving from the petrol pump to the supermarket aisle. The price of milk has jumped at Coles and Woolworths, and experts say we’ll inevitably face higher food inflatio n in products from bread to fresh vegetables to eggs. There’s bound to be plenty of scepticism in the community about just how much these hikes are justified, as always. This questioning will probably be particularly focused on Coles and Woolworths, which have been under intense scrutiny from politicians, the public and the consumer watchdog over the “fake discounts” case. Woolworths and Coles have quarterly updates this week, and inflation will be a hot topic. AFR Grocery inflation will also be one of the most important issues for investors in our biggest supermarkets when Woolworths unveils a quarterly result on Thursday, followed by Coles on Friday So, what’s behind the predictions of supermarket prices going up?…