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Hand written price signs sit on labels on cuts on beef steaks displayed for sale in a butcher's counter inside a Sainsbury's supermarket store, operated by J Sainsbury Plc, in the Wandsworth district of London, U.K., on Wednesday, April 15, 2015. Revenue at J Sainsbury rose 0.2 percent, returning to growth for the first time since August, Kantar Worldpanel said in a statement. Photographer: Matthew Lloyd/Bloomberg via Getty Images

Hand written price signs sit on labels on cuts on beef steaks displayed for sale in a butcher's counter inside a Sainsbury's supermarket store, operated by J Sainsbury Plc, in the Wandsworth district of London, U.K., on Wednesday, April 15, 2015. Revenue at J Sainsbury rose 0.2 percent, returning to growth for the first time since August, Kantar Worldpanel said in a statement. Photographer: Matthew Lloyd/Bloomberg via Getty Images