2. During April, 20,000 units were transferred in from department A at a cost of $39,000. Materials cost of $6,500 and conversion cost of $9,000 were added in department B. On April 30, department B had 5,000 units of work in process 60% complete as to conversion as costs. Materials are added in the beginning of the process in department B How much is the cost per equivalent unit for conversion costs