Shetfield Service has over 200 auto-maintenance service outlets nationwide. It provides primarily two lines of service oll changes and brake repair, Oil change-related services represent 80% of its sales and provide a contribution margin ratio of 15%. Brake repair represents 20% of its sales and provides a 65% contribution margin ratio. The company's fixed costs are $12,450,000 (or $62,250 per service outlet). (a) Calculate the dollar amount of each type of service that the company must provide in order to break even. Oil changes Brake repair