The Nitrogen Fixation Department of Blue Spruce Company began the month of December with work in process inventory of 5,040 units that are 100% complete as to materials and 30% complete as to conversion costs. Units completed and transferred out are 15,120 units. Ending work in process inventory contains 12,600 units that are 100% complete as to materials and 40% complete as to conversion costs. Compute the equivalent units of production for March for materials and conversion costs for the month of December using the weighted average method of process costing. Equivalent Units of Production Physical Units Materials Conversion Costs Quantities Units to be accounted for Work in process inventory,12/1 5,040 Started into production Total units to be accounted for Units accounted for Completed and transferred out Work in process inventory,12/31 Total units accounted for