Inventories March 1 March 31 Materials $310,000 $276,600 Work in process 215,200 238,400 Finished goods 190, 100 162,800 Direct labor Materials purchased during the month Factory overhead incurred during the month: Indirect labor Machinery depreciation Heat, light, and power March 31 $565,000 604,800 60,440 35,000 13,600