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		$ 0.60
Electricity	$ 1,100	$ 0.10
Maintenance		$ 0.30
Wages and salaries	$ 4,500	$ 0.20
Depreciation	$ 8,100
Rent	$ 1,900
Administrative expenses	$ 1,300	$ 0.01

For example, electricity costs should be $1,100 per month plus $0.10 per car washed. The company expects to wash 8,100 cars in August and to collect an average of $6.40 per car washed. The company actually washed 8,200 cars in August.

Required:

Calculate the company's activity variances for August.