Please help with exolanation on how to get the units completed and transferred out

Murray Chemical Company refines a variety of petrochemical products. These data are from the firm's Houston plant. Work-in-process inventory, September 1 4,560,000 gallons Direct materials 50% completed Conversion 20% completed Units started in process during September 5,500,000 gallons 3,300,000 gallons Work-in-process inventory, September 30 Direct materials 40% completed Conversion 60% completed Required: a. Compute the equivalent units of direct materials and conversion for the month of September using the weighted average method Equivalent Units Direct Materials Conversion