Clopack company manufactures one product that goes through one processing department called mixing. all raw materials are introduced at the start of work in the mixing department. the company uses the weighted-average method of process costing. its work in process t-account for the mixing department for june follows (all forthcoming questions pertain to june): work in process—mixing department june 1 balance 43,000 completed and transferred to finished goods ? materials 138,925 direct labor 88,500 overhead 106,000 june 30 balance ? the june 1 work in process inventory consisted of 5,900 units with $22,770 in materials cost and $20,230 in conversion cost. the june 1 work in process inventory was 100% complete with respect to materials and 60% complete with respect to conversion. during june, 38,400 units were started into production. the june 30 work in process inventory consisted of 9,800 units that were 100% complete with respect to materials and 50% complete with respect to conversion.