Complete the following table, identifying the following costs as fixed, variable, or mixed. ACTIVITY LEVEL COST BEHAVIOR 1,000 UNITS 2,000 UNITS 3,000 UNITS Cost 1 $ 12,000 $ 12,000 $ 12,000 Select a type of cost Cost 2 $ 5,100 $ 5,200 $ 5,300 Select a type of cost Cost 3 $ 4,300 $ 8,600 $ 12,900 Select a type of cost Cost 4 $0.06/unit $0.06/unit $0.06/unit Select a type of cost Cost 5 $ 600/unit $ 300/unit $ 200/unit Select a type of cost Cost 6 $ 151/unit $ 76/unit $ 51/unit Select a type of cost