Use the high$-$low method to determine the variable and fixed cost components of Quick Change's operating costs. Use this information to project the monthly operating costs for a month in which

the company performs $4,000$ oil changes.

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Use the high$-$low method to determine the variable and fixed costs components of Quick Change's operating cost equation.

First identify the high and low amounts that you will use in your calculations. $($Hint: For $x$ and $y,$ think about how those values would be graphed to determine which value is $"x"$ and which is $"$ y $".)$

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