The Leo company uses the weighted average method in its process costing system. The beginning work -in- progress inventories carried a total of $ 35,000, total material and conversion costs added during the month were $350,000 and $280,000 was assigned to completed units. The company ending work-in in progress inventory consisted 15000 units . The units in ending work in process inventory were 50% complete with respect to materials. If the cost per equivalent unit for the current period was $3.50 for materials and $8.75 for conversion cost, the ending work in progress percentage of completion with respect conversion bcost was closet to.