Davis Corporation uses the weighted-average method in its process costing system. This month, the beginning inventory in the first processing department consisted of 400 units. The costs and percentage completion of these units in beginning inventory were:

	Cost	Percent Complete
Material costs	7,500	75%
Conversion costs	4,999	45%

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

		$21.37
		$19.47
		$20.04
		$20.76