Farmington 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 
 | 
| 
 Percentage complete for materials 
 | 
 80% 
 | 
| 
 Percentage complete for conversion 
 | 
 15% 
 | 
| 
 Units started into production during the month 
 | 
 6,000 
 | 
| 
 Units transferred to the next department during the month 
 | 
 5,200 
 | 
| 
 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 
 | 
 1,200 
 | 
| 
 Percentage complete for materials 
 | 
 60% 
 | 
| 
 Percentage complete for conversion 
 | 
 30% 
 | 
Required:
Calculate the equivalent units for materials (using the weighted-average method) for the month in the first processing department.