関連ワード:  is utilities a fixed cost or variable    is electricity a fixed cost or variable    is maintenance a fixed cost or variable cost    is electricity a fixed expense or variable expense    is electricity bill a fixed cost or variable cost    is utilities a fixed variable or mixed cost    is factory utilities a fixed or variable cost    is utilities expense a fixed or variable cost    is utility bills a fixed or variable cost    is energy a fixed or variable cost  
結果 : is utilities a fixed cost or variable