please answer me ASAP step by step

Department HIJ is the second of three sequential processes. All materials are added at the beginning of processing in Department HIJ. During October, Department HIJ reported the following data: The company uses the weighted-average method in its process costing system. The cost per equivalent unit on the production report for conversion costs would have been? (Round your answer to the nearest cent) 1) $6.18 2) $6.45. 3) $5.94 4) $7.22