Barnhart's sold a piece of restaurant equipment to another restaurant on July 1, 2013 for $1,100 cash. The equipment originally cost $12,000, had an estimated life of 20 years, and estimated salvage value of $2,000. Barnhart's had recorded total depreciation of $9,000 through the end of 2012, using the straight-line method. Barnhart's had to update the depreciation of the asset before recording the sale. How much additional depreciation expense was recorded for the period of January 1, 2013 through July 1, 2013