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: Work in ProcessGrinding Department Inventory, May 1 273,600 Completed and transferred to the Mixing Department ? Materials 522,800 Conversion 343,104 Inventory, May 31 ? The May 1 work in process inventory consisted of 95,000 pounds with $155,800 in materials cost and $117,800 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, 282,000