Sparky Corporation uses the FIFO method of process costing. The following information is available for February in its Molding department: Beginning work in process inventory Units started and completed Units Direct materials Conversion Percent Percent Complete Complete 36,000 100% 558 121,000 157,000 35,500 100% 308 Units completed and transferred out Ending work in process inventory Production cost information for the Molding department follows. Beginning work in process Direct materials Conversion Costs added this period Direct materials Conversion $ 54,000 59,850 $ 113,850 $ 363,450 610,150 $ 973,600 Calculate the cost per equivalent unit for direct materials.