The following information is available for the month of March 2015 for the Assembly department. Work in process, beginning inventory 300 units Conversion costs (30% complete) Units started during April 800 units Work in process, ending inventory: 100 units Conversion costs (50% complete) The cost details for the month of March are as follows: Work in process, beginning inventory: Direct materials $345,000 Conversion costs $360,000 Direct materials costs added during April $700,000 Conversion costs added during April $1,120,000 What is the direct materials cost per equivalent unit during March?