please help

The first production department in a process manufacturing system reports the following unit data. repare the production department's equivalent units of production for direct materials under each of the follc ssumptions using the weighted average method for process costing. 2. Beginning inventory is 40% complete as to direct materials costs, Ending inventory is 70% complete as to direct materials costs. 3. Beginning inventory is 60% complete as to direct materials costs. Ending inventory is 20% complete as to direct materials costs