Process Excellence (PE), Inc., has two production departments: Mixing and Packaging. Mixing DepartmentPackaging DepartmentWarehouseAt the Packaging Department, all materials are added at the beginning of the process. Labor and overhead (conversion resources) are added evenly throughout the process. The following information pertains to the Packaging Department for the month of July. Physical UnitsTransferred-In work-in-process inventory900 units(60% complete)$10,680$3,888$5,130Units completed6,000 unitsEnding work-in-process inventory500 units(50% complete)Costs added in July199,920a42,91254,245a This is the cost of goods completed and transferred out of the Mixing Department in July using the weighted-average method. Required: 1. Determine the number of units started in July.2. Compute the equivalent units using the weighted-average method.3. Compute the cost per equivalent unit using the weighted-average method.4. Compute the costs of goods transferred out and the ending work-in-process inventory using the weighted-average method.