Casey Company manufactures a product that passes through two processes: Mixing and Packaging. The costs incurred for the Mixing Department for September follow: Work-in-process, Sept. 1: Units (40 percent complete) 7,500 Direct materials 5,000 Direct labor Overhead 3,000 2,000 During Sept., 75,000 units were completed and transferred to Packaging. The following costs were incurred by the Mixing Department during September: Direct materials 50,000 Direct labor Overhead 30,000 12,000 There were 9,000 units that were 70 percent complete remaining in the Mixing Department at Sept. 30. Use the weighted average method and round unit costs to 2 decimal places. Required: a. Determine the equivalent units in process for September. b. Determine the Total Costs To Account For in September. c. Determine the costs per equivalent unit assuming all costs are added uniformly during the mixing process. d. Determine the Accounting for Total Costs. For Part C, please split up the costs between Material and Conversion Costs when calculating the equivalent cost per unit. Please also include calculations as to how you calculated current Material and Conversion Costs for Part C.