Retail Properties of America Inc. (NYSE: RPAI), a shopping center REIT, completed its trade of the Aon Hewitt Property in Lincolnshire, IL, to an undisclosed buyer for $148 million, or approximately $181 per square foot. Earnings from the sale were used to pay off $117.7 million of mortgage debt and accrued interest encumbering the entire Aon Hewitt Campus.