A company uses the FIFO method for inventory costing. At the beginning of the period it reported the following data: 7) 600- Units Coversation Percen Complete Beginning work in process inventory Units started this period 21, 500 170, 000 182930 Units completed and transferred out 168, 000 Ending work in process inventory 23,500 708 The production department data related to conversion.costs follows: (6450 Costs of beginning work in process EC $ 102,000 Costs added this period 729, 825 A) $4.34. B) $4.73. C) $4.15. E) $4.54. 83)8 D) $4.51.