Units 200 6,200 Percent Complete Materials Conversion 40% 30% Milling Department Beginning work in process inventory Units started into production during March Units completed during the period and transferred to the next department Ending work in process inventory 5,800 600 100% ?% 100% 60% Milling Department Cost of beginning work in process inventory Costs added during the period Total cost Materials $ 10,000 290,000 $300,000 Conversion $ 15,000 385,000 $ 400,000 If the equivalent units of production for materials is 6,140 units using the FIFO method, then what is the percent complete for the materials in ending work in process inventory? Multiple Choice O 70% 60% O 50% O 40% O