avage 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	$ 1,400	$ 0.07
Maintenance		$ 0.20
Wages and salaries	$ 4,200	$ 0.20
Depreciation	$ 8,300
Rent	$ 2,100
Administrative expenses	$ 1,600	$ 0.03

For example, electricity costs should be $1,400 per month plus $0.07 per car washed. The company expects to wash 8,200 cars in August and to collect an average of $6.70 per car washed. The company actually washed 8,300 cars in August.