Carmelita Inc., has the following information available:

	Costs from Beginning Inventory	Costs from current Period
Direct materials	$5,800	$25,300
Conversion costs	6,300	158,600

At the beginning of the period, there were 400 units in process that were 40% complete as to conversion costs and 100% complete as to direct materials costs. During the period, 5,500 units were started and completed. Ending inventory contained 400 units that were 32% complete as to conversion costs and 100% complete as to materials costs. The company uses the FIFO process cost method.

The cost of completing a unit during the current period was

a.$37.58

b.$31.32

c.$27.03

d.$46.97