how do i prepare a flexible budget performance report which shows the companys revenue and spending variances and activity variances for August?

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 company's costs: For example, electricity costs are $1,400 per month plus $0.09 per cat washed. The company expects to wash 8,100 cars in August and to collect an average of $6.20 per car washed. The actual operating results for August appear below. 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, " " for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values.)