Clark Company sells office equipment on July 31, 2012, for $21,000 cash. The office equipment originally cost

Question:

Clark Company sells office equipment on July 31, 2012, for $21,000 cash. The office equipment originally cost $72,000 and as of January 1, 2012, had accumulated depreciation of $42,000. Depreciation for the first 7 months of 2012 is $4,600. Prepare the journal entries to
(a) Update depreciation to July 31, 2012, and
(b) Record the sale of the equipment.