Maverick Corporation uses the weighted-average method in its process costing system. Data concerning the first processing department for the most recent month are listed below: Work in process, beginning: Units in beginning work in process inventory 400 Materials costs $6,900 Conversion costs $2,500 Percent complete for materials 80% Percent complete for conversion 15% Units started into production during the month 6,000 Units transferred to the next department during the month 5,600 Materials costs added during the month $112,500 Conversion costs added during the month $210,300 Ending work in process: Units in ending work in process inventory 800 Percent complete for materials 70% Percent complete for conversion 30% Required: calculate the equivalent units for materials for the month in the first processing department