A customer pushes a grocery cart through the food aisles at
UNITED KINGDOM - FEBRUARY 29: A customer pushes a grocery cart through the food aisles at a Sainsbury's supermarket, in London Colney, U.K., on Friday, Feb. 29, 2008. J Sainsbury Plc, the third-largest U.K. supermarket chain, said sales growth slowed in the first quarter as higher living expenses in Britain cut into consumer spending on food and clothes. (Photo by Chris Ratcliffe/Bloomberg via Getty Images)
