Ottawa Corporation owns machinery that cost $22,840 when purchased on July 1, 2011. Depreciation has been recorded at a rate of $2,741 per year, resulting in a balance in accumulated depreciation of $9,594 at December 31, 2014. The machinery is sold on September 1, 2015, for $5,938. Prepare journal entries to (a) update depreciation for 2015 and (b) record the sale.