Required EXERCISE 9-13 Revenue and Spending Variances LO9-3 Refer to the data for Lavage Rapide in Exercise 9-10. Also assume that the c ating results for August are as follows: ulate the company's activity varl Lavage Rapide Income Statement For the Month Ended August 31 8,800 $43,080 Actual cars washed Revenue Expenses: Cleaning supplies. Electricity... 7,560 2,670 Maintenance .. 2.260 8,500 Wages and salaries 8,000 4,950 Rent Total expense Net operating income 39,940 Required: Calculate the company's revenue and spending variances for August. (Hint: Refer to Exhibit 9 t9-1)