Refer to the Speedy Lube data in S6-8. Use the high-low method to determine the variable and fixed cost components of Speedy Lube's operating costs. Use this information to project the monthly operating costs for a month in which the company performs 3,600 oil changes.
Month Number of Operating
Oil Changes Expenses
January................................................................................. 3,100......................$36,000
February............................................................................... 2,500......................$31,500
March................................................................................... 2,700......................$32,500
April...................................................................................... 2,600.....................$32,100
May....................................................................................... 3,500.....................$36,600
June...................................................................................... 2,800......................$33,300