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 $ 0.60 Electricity $ 1,200 $ 0.08 Maintenance $ 0.20 Wages and salaries $ 4,800 $ 0.20 Depreciation $ 8,200 Rent $ 2,000 Administrative expenses $ 1,700 $ 0.01 For example, electricity costs should be $1,200 per month plus $0.08 per car washed. The company expects to wash 8,100 cars in August and to collect an average of $6.70 per car washed. The actual operating results for August are as follows