In the month of June, the Mixing Department had 20,000 units in Work In Process beginning inventory that were 70% complete. During June, 90,000 units were started into production. At the end of June, there were 10,000 units in Work In Process ending inventory that were 40% complete with respect to conversion. All materials are added at the beginning of the process, while conversion costs are incurred uniformly throughout the process. How many units were transferred out of the Mixing Department in June?