Gunkelson Company sells equipment on September 30, 2015, for $16,700 cash. The equipment originally cost $74,390 and as of January 1, 2015, had accumulated depreciation of $42,020. Depreciation for the first 9 months of 2015 is $4,850. Prepare the journal entries to (a) update depreciation to September 30, 2015, and (b) record the sale of the equipment. (If no entry is required, select "No entry" for the account titles and enter 0 for the amounts.)