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Downey Grove, Ill.-based ServiceMaster has a definitive agreement to acquire Barefoot Inc., the nation’s second-largest lawn care company, for about $230 million. . . . Eastman Kodak Co. homed in on an heir apparent to Chief Executive George Fisher by promoting Daniel A. Carp to president and chief operating officer. . . . Bell Communications Research Inc. said it named George Heilmeier chairman and chief executive and Sanjiv Ahuja president and chief operating officer.