Weston Products manufactures an industrial cleaning compound that goes through three processing departmentsGrinding, 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: Inventory, May 1 309,880 Completed and transferred to the Mixing Department? Materials 580,000 Conversion 375,371 Inventory, May 31? The May 1 work in process inventory consisted of 127,000 pounds with $181,610 in materials cost and $128,270 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, 352,000 pounds were started into production. The May 31 inventory consisted of 111,000 pounds that were 100% complete with respect to materials and 70% complete with respect to conversion. The company uses the weighted-average method in its process costing system.

inventory, May 1	309,880	Completed and transferred to the Mixing Department	?
Materials	580,000
Conversion	375,371
Inventory, May 31	?

The May 1 work in process inventory consisted of 127,000 pounds with $181,610 in materials cost and $128,270 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, 352,000 pounds were started into production. The May 31 inventory consisted of 111,000 pounds that were 100% complete with respect to materials and 70% complete with respect to conversion. The company uses the weighted-average method in its process costing system.