Guo Corporation uses the weighted-average method in its process costing system. This month, the beginning inventory in the first processing department consisted of 600 units. The costs and percentage completion of these units in beginning inventory were:

	Cost		Percent Complete
Materials costs	$	7,500	60	%
Conversion costs	$	2,300	20	%

A total of 9,900 units were started and 9,300 units were transferred to the second processing department during the month. The following costs were incurred in the first processing department during the month:

Materials costs	$238,200
Conversion costs	$376,600

The ending inventory was 85% complete with respect to materials and 75% complete with respect to conversion costs.

Note: Your answers may differ from those offered below due to rounding error. In all cases, select the answer that is the closest to the answer you computed. To reduce rounding error, carry out all computations to three decimal places.

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

$22.30

$23.08

$23.81

$24.09