Required information Use the following information for the Exercises below. (Algo) 1 [The following information applies to the questions displayed below.] The first production department in a process manufacturing system reports the following unit data. Exercise 20-4 (Algo) Weighted average: Computing equivalent units LO P1 Prepare the production department's equivalent units of production for direct materials under each of the following three separat assumptions using the weighted average method for process costing. 2. Beginning inventory is 40% complete as to direct materials costs. Ending inventory is 80% complete as to direct materials costs. 3. Beginning inventory is 70% complete as to direct materials costs. Ending inventory is 20% complete as to direct materials costs