Business

Associated Press
FILE - In this Friday, Nov. 16, 2012 file photo, Bark Aro works on an assembly line at Generac Power Systems, Inc., one of the largest makers of residential generators in the country, in Whitewater, Wis. The government reports on worker productivity and labor costs in the October-December quarter of 2012, on Thursday, Feb. 7, 2013.  (AP Photo/Nam Y. Huh, File)

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