Use the high-low method to determine the variable and fixed cost components of Great Oil Change's operating costs. Use this information to project the monthly operating costs for a month in which the company performs 3,400 oil changes. E (Click the icon to view the data.) Use the high-low method to determine the variable and fixed costs components of Great Oil Change's operating cost equation. First, identify the formula and calculate the variable cost component (slope). (Round your answer to the nearest cent.) Variable cost per unit Data Table Number of Month Oil Changes Operating Expenses $ 36,300 3,200 January February March... 2,500 $ 31,600 2.800 $ 32,800 $ 32,400 2.700 April May...... 3,400 $ 37,200 June ........ 2,900 $ 33,600 Print Done Done