Ozdemir Corporation uses the first-in, first-out method in its process costing system. Data concerning the first processing department for the most recent month are listed below:

Beginning work in process inventory:
Units in beginning work in process inventory	200
Materials costs	$ 1,800
Conversion costs	$ 600
Percent complete with respect to materials	55%
Percent complete with respect to conversion	10%
Units started into production during the month	5,000
Units transferred to the next department during the month	4,500
Materials costs added during the month	$ 74,800
Conversion costs added during the month	$ 128,800
Ending work in process inventory:
Units in ending work in process inventory	700
Percent complete with respect to materials	85%
Percent complete with respect to conversion	70%

What are the equivalent units for conversion costs for the month in the first processing department?

490

4,300

4,970

5,200