Procter & Gamble Co.'s Pringles brand crisps sit on the shelf at a supermarket in New York, U.S., on Friday, Dec. 11, 2009. Procter & Gamble Co., the world's largest consumer-goods company, agreed to buy Sara Lee Corp.'s Ambi Pur brand for about 320 million euros ($472 million) to boost air-freshener sales outside the U.S. Photographer: Jin Lee/Bloomberg via Getty Images