Presented here are selected transactions for Zhou Lid for the year ended 31 December 2016: Scrapped a piece of machinery that was purchased on 1 Jan. January 2010 at a cash price of $50,000. The machinery had a useful life of 5 years with no residual value Sold a computer that was purchased on 1 January 2013 for June 30 $30,000 cash. It had a useful life of 6 years with no residual value. The computer was sold for $12,000 cash. Discarded a delivery truck that was purchased on 1 Dec. 31 January 2012 for $20,000 cash and was depreciated based on a 6-year useful life with a $2.000 residual value. Fill in the correct account name for the journal entries required on the listed dates below (ignore GST). 1 January 2016 Debit Credit Dr. $50,000 Cr. $50,000 30 June 2016 Dr. depreciation expense $2,500 Cr. $2,500 Dr. Cash $12,000 Dr $17,500 Dr. $500 Cr. $30,000 31 December 2016 Dr $3,000 Cr. $3,000 Dr. Loss on scrapping $5,000 Dr. $15,000 Cr. $20,000