William McArdle purchased a 7,076 sf office building in Cooper Center Office Park, 7100 N. Classen Blvd., Building 200 for $1,090,000. Seller was 7100 N. Classen, LLC. The sale was negotiated by Rod Baker, CCIM of Baker First Commercial Real Estate Services and Brad Rice of Newmark Robinson Park. Closing by Taryn Learned of Chicago Title Oklahoma.