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A shopper carries a basket while walking through a Coles supermarket, operated by Wesfarmers Ltd., in Sydney, Australia, on Tuesday, Feb. 18, 2014. Wesfarmers, Australia's largest employer, is scheduled to report first-half earnings on Feb. 19. Photographer: Ian Waldie/Bloomberg via Getty Images

A shopper carries a basket while walking through a Coles supermarket, operated by Wesfarmers Ltd., in Sydney, Australia, on Tuesday, Feb. 18, 2014. Wesfarmers, Australia's largest employer, is scheduled to report first-half earnings on Feb. 19. Photographer: Ian Waldie/Bloomberg via Getty Images