Department M had 600 units 60% completed in process at the beginning of June, 6,000 units completed during June, and 700 units 30% completed at the end of June. Using the first-in, first-out method of inventory costing where materials are added at the beginning of the process, what was the total number of materials equivalent units of production (Beginning WIP + Started & Completed + Ending WIP) for the period?

6,100 units

6,700 units

5,850 units

7,300 units