Blossom 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 $$14,352,000($that is$,$ $$71,760$ per service outlet$).$ Sales mix is determined based upon total sales dollars.

$($a$)$

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$.$g$.0\mathrm{.}25$ and round final answers to $0$ decimal places, e$.$g$.2,510.)$

Sales Dollars Needed Per Product

Oil changes $

Brake repair

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$($b$)$

The company has a desired net income of $$47,840$ 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 Margin Ratio rounded to $2$ decimal places e$.$g$.0\mathrm{.}25$ and round final answers to $0$ decimal places, e$.$g$.2,510.)$

Sales Dollars Needed Per Service Outlet

Oil changes $

Brake repair $