The following data apply to Zabra Ltd in its mixing department for the month of September. All raw materials are fully added at the beginning of the production process and conversion occurs uniformly throughout the production process. On 1 September 2019, Zabra had work in process comprised of 10,000 units. These units were 20 percent complete in terms of conversion. The table below presents the cost data for work in process inventory (WIP) and costs incurred for the production during September 2019. WIP inventory 1 September 2019 Costs during September Direct Materials $40,000 Direct Labour $10,000 Manufacturing Overhead $6,000 $140,000 $80,000 $60,000 During September 2019, Zabra completed and transferred out 65,000 units. At the end of the month, 25,000 units remain in work in process and these units were 40 percent complete with respect to conversion. The company uses a weighted average cost method to value production flows and inventories. Required: I (a) Calculate the following, showing all workings clearly and logically (round all calculations to two decimal places): (1) (11) (111) (iv) Equivalent units of production for direct materials and conversion costs. The cost per equivalent units for September 2019. The costs of goods completed and transferred out in September 2019. The costs of work in process inventory as at 30 September 2019. (b) Explain what is meant by spoilage and how normal and abnormal spoilage are treated under process costing. Discuss five differences between process costing and job costing. (c) (d) "Process costing is not suited to service firms, as services can't be replicated in the same way that manufacturing processes can be." Do you agree? Explain. (12+ 4+ 5+ 4 = 25 marks) a Physical Units # units % complete (conversion Equivalent Units DM Conversion WIP 1st September Units started in September Total units to account for Units completed & transferred out during September WIP 30 September Total units to account for Total equivalent units (EQU) to Costs to Account for & Unit Costs WIP 1st September Costs incurred during September Total costs to account for: Cost / EQU for September Calculation of Inventory values Cost of goods completed & transferred out during September Cost of WIP 30 September