Could you please Explan the solution 9-12

Page 430 EXERCISE 912 Revenue and Spending Variances @ 109-3 Refer to the data for Lavage Rapide in Exercise 9-9. Also assume that the company's 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 7.560 2,670 2,260 Expenses Cleaning supplies Electricity Maintenance Wages and salaries Depreciation Rent Administrative expenses 8.500 6,000 8,000 4.950 Total expense 39,940 Net operating income S 3160 Required: Calculate the company's revenue and spending variances for August (Hint: Refer to Exhibit 9.7) Page 430 EXERCISE 912 Revenue and Spending Variances @ 109-3 Refer to the data for Lavage Rapide in Exercise 9-9. Also assume that the company's 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 7.560 2,670 2,260 Expenses Cleaning supplies Electricity Maintenance Wages and salaries Depreciation Rent Administrative expenses 8.500 6,000 8,000 4.950 Total expense 39,940 Net operating income S 3160 Required: Calculate the company's revenue and spending variances for August (Hint: Refer to Exhibit 9.7)