Edelstein Company had the following data for 2018: Units in process at the beginning of the month 4,000 Units in process at the end of the month 10,000 Units started during the month 40,000 Materials are added at the beginning of the process. Beginning work in process was 40 percent complete as to conversion. Ending work in process was 70 percent complete as to conversion. What is the number of units completed and transferred out during the period?