please answer the following part A and B

PDQ Repairs has 200 auto-maintenance service outlets nationwide. It performs primarily two lines of service: oil changes and brake repair. Oil change-related services represent 70% of its sales and provide a contribution margin ratio of 20%. Brake repair represents 30% of its sales and provides a 40% contribution margin ratio. The company's fixed costs are $15,620,800 (that is, $78,104 per service outlet). (a) Your answer is incorrect. Calculate the dollar amount of each type of service that the company must provide in order to break even. (Use Weighted- Average Contribution Margin Ratio rounded to 2 decimal places eg. 0.25 and round final answers to decimal places, eg. 2,510.) Oil changes $ Brake repair $ e Textbook and Media Attempts: 1 of 5 used Submit Answer Save for Later (b) The parts of this question must be completed in order. This part will be available when you complete the part above