Darvin Company uses the weighted-average method in its process costing system. T

Darvin Company uses the weighted-average method in its process costing system. The first processing department the Welding Department started the month with 20000 units in its beginning work in process inventory that were 10% complete with respect to conversion costs. The conversion cost in this beginning work in process inventory was $7000. An additional 63000 units were started into production during the month. There were 10000 units in the ending work in process inventory of the Welding Department that were 10% complete with respect to conversion costs. A total of $237600 in conversion costs were incurred in the department during the month.What would be the cost per equivalent unit for conversion costs for the month? (Round off to three decimal places.)A) $3.255B) $3.771C) $3.500D) $3.305