For example, electricity costs should be $1,200 per month plus $0.15 per car washed. The company expects to wash 9,000 cars in August and to collect an average of $4.90 per car washed. The actual operating results for August are as follows: Lavage Rapide Income Statement For the Month Ended August 31 Actual cars washed 8,800 Revenue $ 43,080 Expenses: Cleaning supplies 7,560 Electricity 2,670 Maintenance 2,260 Wages and salaries 8,500 Depreciation 6,000 Rent 8,000 Administrative expenses 4,950 Total expense 39,940 Net operating income $ 3,140 Required: Prepare a flexible budget performance report that shows the company’s revenue and spending variances and 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.)