Lavage Rapide is a Canadian company that owns and operates a large automatic car wash facility near Montreal. The following table provides estimates concerning the companys costs: Fixed Cost per Month Cost per Car Washed Cleaning supplies $ 0.70 Electricity $ 1,200 $ 0.07 Maintenance $ 0.15 Wages and salaries $ 4,800 $ 0.20 Depreciation $ 8,300 Rent $ 2,100 Administrative expenses $ 1,400 $ 0.02 For example, electricity costs should be $1,200 per month plus $0.07 per car