Oster Manufacturing uses a weighted-average process costing system and has the following costs and activity during October: Materials $40,000 Conversion cost 32,500 Total beginning work-in-process inventory $72,500 Materials $700,000 Conversion cost 617,500 Total production costs – October $1,317,500 Production completed 60,000 units Work-in-process, October 31 20,000 units All materials are introduced at the start of the manufacturing process, and conversion cost is incurred uniformly throughout production. Conversations with plant personnel reveal that, on average, month-end in-process inventory is 25% complete. Assuming no spoilage, how should Oster's October manufacturing cost be assigned?A. $1,095,000 to completed production; $222,500 to work-in-process. B. $1,155,000 to completed production; $235,000 to work-in-process. C. $1,042,500 to completed production; $347,500 to work-in-process. D. $1,283,077 to completed production; $106,923 to work-in-process.