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Customers walk through an aisle in a Coles supermarket, operated by Wesfarmers Ltd., in Melbourne, Australia, on Tuesday, Feb. 23, 2016. Wesfarmers, Australia's largest retailer, is scheduled to report interim results on Feb. 24. Photographer: Carla Gottgens/Bloomberg via Getty Images

Customers walk through an aisle in a Coles supermarket, operated by Wesfarmers Ltd., in Melbourne, Australia, on Tuesday, Feb. 23, 2016. Wesfarmers, Australia's largest retailer, is scheduled to report interim results on Feb. 24. Photographer: Carla Gottgens/Bloomberg via Getty Images