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 company's costs: Fixed Cost Cost per per Month Car Washed Cleaning supplies $ 9.89 Electricity $ 1,299 $ 9.95 Maintenance $ 9.29 Wages and salaries $ 4,999 $ 9.39 Depreciation $ 81499 Rent $ 1,899 Administrative expenses $ 11899 $ 9.93 For example, electricity costs should be $1,200 per month plus $0.05 per car washed. The company expects to wash 8,400 cars in August and to collect an average of $6.30 per car washed. The company actually washed 8,500 cars in August. Required: Calculate the company's activity variances for August. (Indicate the effect of each variance by selecting "F" for favorable. "U" for unfavorable, and "None" for no effect (i.e., zero variance]. Input all amounts as positive values.) Revenue Expenses: Cleaning supplies Electricity Maintenance Wages and salaries Depreciation Rent Administrative expenses Total expense Net operating income