Lavage Rapide is a Canadian company that owns and operates a large automatic car wash facility near Montreal. The following table provides data concerning the companys costs: Fixed Cost per Month Cost per Car Washed Cleaning supplies $ 0.60 Electricity $ 1,500 $ 0.07 Maintenance $ 0.25 Wages and salaries $ 5,000 $ 0.30 Depreciation $ 8,400 Rent $ 2,100 Administrative expenses $ 1,600 $ 0.05 For example, electricity costs are $1,500 per month plus $0.07 per car washed. The company expects to wash 8,200 cars in August and to collect an average of $6.10 per car washed. The actual operating results for August appear below. Lavage Rapide Income Statement For the Month Ended August 31 Actual cars washed 8,300 Revenue $ 52,120 Expenses: Cleaning supplies 5,420 Electricity 2,044 Maintenance 2,290 Wages and salaries 7,820 Depreciation 8,400 Rent 2,300 Administrative expenses 1,910 Total expense 30,184 Net operating income $ 21,936 Required: Calculate the company's revenue and spending 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.)