Adams Manufacturings five manufacturing departments had the following operating and cost information for the two most recent months of activity: May June Units produced 10,000 20,000 Costs in each department Department A $ 10,000 $ 10,000 Department B 25,000 50,000 Department C 35,000 45,000 Department D 18,000 30,000 Department E 22,000 44,000 Required: Identify whether the cost in each department is fixed, variable, or mixed