The price of a basket of items at the Australian supermarket chains increased to an average of $43.62, survey saysFollow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastGroceries have become more expensive at all four of Australia’s major supermarket chains, with the average price of a basket of essentials increasing by 7% between March and June, new analysis has found.The consumer advocacy group Choice on Thursday released its 10th qua