Hanson Co. acquired all of the common stock of Roberts Inc. on January 1, 2010, transferring consideration in an amount slightly more than the fair value of Roberts' net assets. At that time, Roberts had buildings with a twenty-year useful life, a book value of $600,000, and a fair value of $696,000. On December 31, 2011, Roberts had buildings with a book value of $570,000 and a fair value of $648,000. On that date, Hanson had buildings with a book value of $1,878,000 and a fair value of $2,160,000. Required: What amount should be shown for buildings on the consolidated balance sheet dated December 31, 2011?