QUCJLIUM Calhoun Productions uses process costing. At the beginning of the month, there were 1,100 units in process in the Welding Department, 40% complete with respect to conversion costs. Materials are added at the beginning of the process. A total of 15,000 units were started during the month and there were 1,400 units in the ending Work in Process inventory that were 100% complete with respect to material and 30% complete with respect to conversion costs. How many units were completed during the month