The following balances are from the accounts of Tappan Parts: January 1 (Beginning) December 31 (Ending) Direct materials inventory $ 21,600 $ 24,600 Work-in-process inventory 32,800 28,900 Finished goods inventory 5,800 7,300 Direct materials used during the year amount to $46,400 and the cost of goods sold for the year was $52,600.