Oscar Corporation uses the weighted-average method in its process costing system. It produces prefabricated tiles in a series of steps carried out in production departments. All of the material that is used in the first production department is added at the beginning of processing in that department. Data for March for the first production department follow: Required: 1. Calculate the first production department's equivalent units of production for materials and conversion for March. 2. Compute the first production department's cost per equivalent unit for materials and conversion for March. 3. Compute the first production department's cost of ending work in process inventory for materials, conversion, and in total for March. 4. Compute the first production department's cost of the units transferred to the next production department for materials, conversion, and in total for March. [LO2], [LO3], [LO4]