Question 4 (7 marks) Barker Inc. uses the weighted average method in its process costing system. The following data concern 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 Materials cost Conversion cost 800 50% 20% $2,440 $4,928 15,000 15,600 Units started into production during the month Units completed and transferred out Costs added to production during the month Materials cost Conversion cost $96,470 $476.362 Work in process, ending Units in process Stage of completion with respect to materials Stage of completion with respect to convertion 200 50% 90% Required: Using the weighted average method Enished) CE MacBook Air 80 295 00 Da DO a A $ 4 % 5 &7 3 6 00. 9 0 E R T Y U 0 P D F G H J J L 5 & 7 00. 9 ) O E R T Y U 1 O P D F F G H J J