the second part is what i need answered. Every person who has posted this answer on chegg has gotten it wrong

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 60% of its sales and provide a contribution margin ratio of 15%. Brake repair represents 40% of its sales and provides a 40% contribution margin ratio. The company's fixed costs are $15,680,000 (that is, $78,400 per service outlet), (a) Your answer is correct. 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 e.8. 0.25 and round final answers to decimal places, eg. 2,510.) $ 37632000 Oil changes Brake repair 250BBDO (b) Your answer is incorrect. The company has a desired net income of $51,000 per service outlet. What is the dollar amount of each type of service that must be performed by each service outlet to meet its target net income per outlet? (Use Weighted-Average Contribution Morgin Ratio rounded to 2 decimal places eg. 0.25 and round final answers to o decimal places, eg. 2,510.) Oil changes $ Brake repair $