4) Audrey Auto Accessories manufactures plastic moldings for car seats. Its costing system uses two cost categories, direct materials and conversion costs. Each product must pass through Department A and Department B. Direct materials are added at the beginning of production. Conversion costs are allocated evenly throughout production. Di Compute the following using FIFO method: a) Units completed and transferred out. b) Total cost to account for. c) Equivalent units with respect to direct materials and conversion costs. d) Cost per direct materials equivalent units and cost per conversion cost equivalent units. e) Total cost assigned to units completed and transferred out. f) Total cost assigned to units in ending inventory