avage 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 $ 0.80 Electricity $ 1,200 $ 0.15 Maintenance $ 0.20 Wages and salaries $ 5,000 $ 0.30 Depreciation $ 6,000 Rent $ 8,000 Administrative expenses $ 4,000 $ 0.10 For example, electricity costs should be $1,200 per month plus $0.15 per car washed. The company expects to wash 9,000 cars in August and to collect an average of $4.90 per car washed. The actual operating results for August are as follows: Lavage Rapide Income Statement For the Month Ended August 31 Actual cars washed 8,800 Revenue $ 43,080 Expenses: Cleaning supplies 7,560 Electricity 2,670 Maintenance 2,260 Wages and salaries 8,500 Depreciation 6,000 Rent 8,000 Administrative expenses 4,950 Total expense 39,940 Net operating income $ 3,140