please help!

Lavage Rapide owns and operates a large automatic car wash facility near Montreal, The following table provides estimates concerning the company's costs: For example, electricity costs should be $1,200 per month plus $0.09 per car washed. The company expects to wash 8.200 cars in August and to collect an average of $6.80 per car washed. The actual operating results for August are as follows: \begin{tabular}{|l|l|} \hline \multicolumn{2}{|c|}{ Lavage Rapide } \\ Revenue and Spending Variances \\ \hline \multicolumn{2}{|c|}{ For the Month Ended August 31 } \\ \hline Revenue & \\ \hline Expenses: & None \\ \hline Cleaning supplies & \\ \hline Electricity & \\ \hline Maintenance & \\ \hline Wages and salaries & \\ \hline Depreciation & \\ \hline Rent & \\ \hline Administrative expenses & \\ \hline Total expenses & \\ \hline Net operating income & \\ \hline \end{tabular}