Exercise 16-20 Weighted average: Process cost summary LO C3 Hi-Test Company uses the weighted average method of process costing to assign production costs to its products. Information for the company's first production process September follows. Assume that all materials are added at the beginning of this production process, and that conversion costs are added uniformly throughout the process. Work in process inventory, September 1 (4,500 units, 100% complete with respect to direct materials, 70% complete with respect to conversion; consists of $54,000 of direct materials cost, $99,900 conversion cost $153,900 Costs incurred in September Direct materials $450,000 Conversion $367,000 Work in process inventory, September 30 (9,500 units, 100% complete with respect to direct materials, 30% complete with respect to conversion) ? Units started in September 35,500 Units completed and transferred out 30,500 Required: Compute each of the following using the weighted-average method of process costing. 1. & 2. The number of equivalent units for materials and conversion for the month. 3. & 4. The cost per equivalent unit of materials and conversion for the month. 5. The total cost of goods transferred out. 6. The total cost of ending work in process inventory