関連ワード:  is utilities a fixed or variable expense    is electricity a fixed or variable expense    is maintenance a fixed or variable expense    is utilities a fixed or flexible expense    is electricity a fixed or variable cost    is car maintenance a fixed or variable expense    is home maintenance a fixed or variable expense    is electricity bill a fixed or variable expense    is factory utilities a fixed or variable cost    is a utility bill a fixed or variable expense  
結果 : is utilities a fixed or variable expense