A company purchased equipment on January 1, 2010 for $100,000. Management expected the equipment to last four years with $0 residual value, and depreciated the asset accordingly. The equipment was sold on June 30, 2011 for $80,000. What is the impact to Retained Earnings for this sale? (Your answer should focus on the gain or loss from the sale. Exclude any depreciation expense that is recorded prior to the sale.)