Test Your Knowledge The Welding Department of Nawaf Manufacturing Company has the following production and manufacturing cost data for March. Materials are entered at the beginning of the process. Production: Beginning inventory 2,800 units that are 100% complete as to materials and 30% complete as to conversion costs; units started during the period are 12,000; ending inventory of 3,000 units 20% complete as to conversion costs. Manufacturing costs: Beginning inventory costs, comprised of $32,000 of materials and $29,100 of conversion costs; materials costs added in Welding during the month, $112,300; labor and overhead applied in Welding during the month, $100,020 and $283,800, respectively. Instructions: (A) Compute the equivalent units of production for materials and conversion costs for the month of March. (B) Compute the unit costs for materials and conversion costs for the month. (C) Determine the costs to be assigned to the units transferred out and in process