Weston Products manufactures an industrial cleaning compound that goes through three processing departments-Grinding, Mixing. and Cooking. All raw materials are introduced at the start of work in the Grinding Department. The Work in Process T-account for the Grinding Department for May is given below: Work in Process-Grinding Department Completed and transferred Inventory, May 1 21,800 to the Mixing Department? Materials 133,400 Conversion 225,500 Inventory, May 31 ? The May 1 work in process inventory consisted of 18,000 pounds with $14,600 in materials cost and $7,200 in conversion cost. The May 1 work in process inventory was 100% complete with respect to materials and 30% complete with respect to conversion. During May, 167,000 pounds were started into production. The May 31 inventory consisted of 15,000 pounds that were 100% complete with respect to materials and 60% complete with respect to conversion. The company uses the weighted-average method in its process costing system. Required: 1. Compute the Grinding Department's equivalent units of production for materials and conversion in Mav. Ac O