Luna Manufacturing uses a process costing-system. Luna uses the weighted average method . The following information pertains to operations for the month of January:

	Units
Beginning work-in-process inventory, January 1	14,000
Started in production during January	370,000
Completed production during January	187,000
Ending work-in-process inventory, January 31	197,000

The beginning inventory was 80% complete for materials and 40% complete for conversion costs. The ending inventory was 85% complete for materials and 30% complete for conversion costs. Costs pertaining to the month of January are as follows: Beginning inventory costs are: materials of $152,800 and conversion cost of $165,600. Costs incurred during January are: materials used of $1,849,200 and conversion cost of $2,410,800. What is the conversion cost per equivalent unit for December, rounded to two decimal places?

a.$5.22

b.$9.80

c.$5.65

d.$10.47