Lavage Rapide 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	$ 1,500	$ 0.09
Maintenance		$ 0.15
Wages and salaries	$ 4,900	$ 0.40
Depreciation	$ 8,200
Rent	$ 1,900
Administrative expenses	$ 1,800	$ 0.01

For example, electricity costs should be $1,500 per month plus $0.09 per car washed. The company expects to wash 8,200 cars in August and to collect an average of $6.90 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	8,300
Revenue	$ 58,680
Expenses:
Cleaning supplies	5,420
Electricity	2,208
Maintenance	1,470
Wages and salaries	8,540
Depreciation	8,200
Rent	2,100
Administrative expenses	1,782
Total expenses	29,720
Net operating income	$ 28,960