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 inventory1,700Materials costs$13,800Conversion costs$5,900Percent complete with respect to materials75%Percent complete with respect to conversion20%Units started into production during the month10,400Units transferred to the next department during the month9,300Materials costs added during the month$172,900Conversion costs added during the month$242,900Ending work in process inventory:Units in ending work in process inventory2,800Percent complete with respect to materials90%Percent complete with respect to conversion30%

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