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		$ 0.50
Electricity	$ 1,500	$ 0.06
Maintenance		$ 0.15
Wages and salaries	$ 4,800	$ 0.30
Depreciation	$ 8,100
Rent	$ 2,100
Administrative expenses	$ 1,700	$ 0.04

For example, electricity costs should be $1,500 per month plus $0.06 per car washed. The company expects to wash 8,100 cars in August and to collect an average of $6.80 per car washed. The company actually washed 8,200 cars in August.

Required:

Calculate the company's activity variances for August.

Lavage Rapide Activity Variances For the Month Ended August 31 Revenue Expenses: \begin{tabular}{|l|l|} \hline Cleaning supplies & \\ \hline Electricity & \\ \hline Maintenance & \\ \hline Wages and salaries \\ \hline Depreciation & \\ \hline Rent & \\ \hline Administrative expenses & \\ \hline Net operating income \end{tabular}