PROBLEM 4-13 Comprehensive Problem Weighted-Average Method [LO2, L03, L04, L05] The PVC Company manufactures a high-quality plastic pipe that goes through three processing stages prior to completion. Information on work in the first department, Cooking, is given below for May: The company uses the weighted-average method. Required: 1. Compute the equivalent units of production. 2. Compute the costs per equivalent unit for the month. 3. Determine the cost of ending work in process inventory and of the units transferred out to the next department. 4. Prepare a cost reconciliation report for the month