Kamin Company's mixing department had a beginning inventory of 4,000 units which had accumulated conversion costs of $55,000. During the period, the mixing department accumulated conversion costs of $92,000 and started 8,000 new units. Ending inventory was 2,500 units which were 40% complete with respect to conversion costs. Kamin uses the average cost method to cost inventories. Required: Calculate the cost per equivalent unit for conversion costs in the mixing department.