Materials cost Barker Inc. uses the weighted-average method in its process costing system. The following data concem the operations of the company's first processing department for a recent month: Work in process, beginning Units in process Stage of completion with respect to materials Stage of completion with respect to conversion Costs in the beginning inventory: 800 50% 20% $2,440 Conversion cost $4,928 Units started into production during the month 15,000 Units completed and transferred out 15,600 Costs added to production during the month: $96,470 Materials cost Conversion cost $476,362 Work in process, ending: Units in process 200 Stage of completion with respect to materials Stage of completion with respect to conversion 50% 90% Required: Using either the weighted-average or FIFO method: a) Prepare a production report for the month. b) Prepare the journal entry for the first department to transfer costs to the second department.