The following information is available from the Oils Division of Glasgow Corporation for December. Conversion costs for this division were 75 percent complete as to beginning work-in-process inventory and 50 percent complete as to ending work-in-process inventory. Information about conversion costs follows. Units Conversion Costs WIP at December 1 (75% complete) 115,000 $ 431,250 Units started and costs incurred during December 555,000 2,600,625 Units completed and transferred to next department during December 415,000 ? The Oils Division uses FIFO.

Required: a-1. Compute the equivalent units for conversion costs.

a-2. Compute the cost per equivalent unit for conversion costs.

a-3. What was the conversion cost of work-in-process inventory in the Oils Division at December 31? b. What were the conversion costs per equivalent unit produced last period and this period, respectively?