Opal Industries uses a process costing system. Direct materials are added at the beginning of the process, whereas conversion costs are incurred evenly throughout the process. Here are data for the month of August: The units in beginning work in process inventory are 70% complete with respect to conversion costs and the units in ending work in process inventory are 50% complete with respect to conversion costs. What is the cost per equivalent unit for conversion costs during the month of August? $1.64 $1.78 $2.15 $2.30 None of the above