pleass help me figure out the rest of this journal entry

Required information [The following information applies to the questions displayed below] Abbott Landscaping purchased a tractor at a cost of $42,000 and sold it three years later for $21,600. Abbott recorded depreciation using the straight-line method, a five-year service life, and a $3,000 residual value. Tractors are included in the Equipment account. Required: 1. Record the sale. (If no entry is required for a porticular transaction/event, select "No Journal Entry Required" in the first accoun (ield.) Journal entry worksheet [The following information applies to the questions displayed below] Abbott Landscaping purchased a tractor at a cost of $42,000 and sold it three years later for $21,600. Abbott recorded depreciation using the straight-line method, a five-year service life, and a $3,000 residual value. Tractors are included in the Equipment account. Required: 1. Record the sale. (If no entry is required for a perticular transaction/event, select "No Journal Entry Required" in the first accour field.)