The Nitrogen Fixation Department of Tomco Company began the month of December with beginning work in process of 4,000 units that are 100% complete as to materials and 30% complete as to conversion costs. Units transferred out are 12,000 units. Ending work in process contains 10,000 units that are 100% complete as to materials and 40% complete as to conversion costs. REQUIREMENTS: Compute the equivalent units of production for materials and conversion costs for the month of December