Industrial Supply 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

5,200

Materials costs added during the month

112,500

Conversion costs added during the

210,300

Ending work in process:

Units in ending work-in-process inventory

1,200

Percentage complete for materials

75%

Percentage complete for conversion

30%

Required: Calculate the equivalent units for materials for the month in the first processing department.