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 company's costs: Cleaning supplies Fixed Cost per Month $1,300 Cost per Car Washed $0.60 $0.09 $ 0.30 Electricity Maintenance Wages and salaries Depreciation Rent Administrative expenses $ 4,200 $8,500 $1,900 $ 1,800 $0.40 $0.04 For example, electricity costs should be $1,300 per month plus $0.09 per car washed. The company actually washed 8,400 cars in August and collected an average of $6.40 per car washed.