Use the high-low method to determine the variable and fixed cost components of Quick Lube's operating costs. Use this information to project the monthly operating costs for a month in which the company performs 3,600 oil changes. (Click the icon to view the data.) Use the high-low method to determine the variable and fixed costs components of Quick Lube's operating cost equation. First identify the formula and calculate the variable cost component (slope). (Round your answer to the nearest cent.)