Inacio 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:

Beginning work in process inventory:
Units in beginning work in process inventory	1,200
Materials costs	$ 13,300
Conversion costs	$ 5,400
Percent complete with respect to materials	75%
Percent complete with respect to conversion	20%
Units started into production during the month	9,900
Units transferred to the next department during the month	8,800
Materials costs added during the month	$ 172,400
Conversion costs added during the month	$ 242,400
Ending work in process inventory:
Units in ending work in process inventory	2,300
Percent complete with respect to materials	90%
Percent complete with respect to conversion	30%

The cost per equivalent unit for materials for the month in the first processing department is closest to:

Multiple Choice

• $15.73

• $16.67

• $15.42

• $17.08