during january, the production department of a process operations system completed and transferred to finished goods a total of 81,000 units. at the end of january, 16,000 additional units were in process in the production department and were 70% complete with respect to conversion. the beginning inventory included conversion cost of $37,500 and the production department incurred conversion costs of $297,500 during january. compute the cost per equivalent unit for conversion for the department using the weighted-average method.