On December 31, Pharoah Company recorded the following information in the Mixing Department's Work in Process account: Units 4000 Cost $40000 506630 107000 Beginning balance (80% complete) Started into production Completed and transferred to Packaging Ending balance (60% complete) 93800 17200 Assume that the unfinished units in ending inventory are 60% complete for both materials and conversion. What is the cost per equivalent unit? $5.43 $5.25 $5.06 $4.92