The competition watchdog has also forced Coles and Woolworths to stop offering
excessive fuel discounts subsidised by grocery profits, and has stepped in to unwind restrictive lease provisions that prevented rivals from opening stores.
Metcash attributed the fall in grocery earnings to price deflation of 1.3 per cent, which exacerbated operating deleverage, a 12.6 per cent increase in advertising and marketing investment, and intense competition in food markets, particularly the impact of
excessive fuel discounts by the major chains.