The following information is available from the Oils Division of Glasgow Corporation for December. Conversion costs for this division were 80 percent complete as to beginning work-in-process inventory and 60 percent complete as to ending work-in-process inventory. Information about conversion costs follows: Conversion Units Costs WIP at December 1 (80% complete) Units started and costs incurred during December Units completed and transferred to next department during December 112,000 $ 443,520 552,000 2,628,480 412,000 The Oils Division uses FIFO