Use the high-low method to determine the variable and fixed cost components of Swift Change's operating costs. Use this information to project the monthly operating costs for a month in which the company performs 3,800 oil changes. (Click the icon to view the data.) Use the high-low method to determine the variable and fixed costs components of Swift Change's operating cost equa First identify the formula and calculate the variable cost component (slope). (Round your answer to the nearest cent.). Variable cost per unit Data table Month Number of Oil Changes Operating Expenses January 3,600 $ 37,500 February .... 3,000 $ 33,500 March...... 3,200 $ 34,500 April...... 3,100 $ 34,000 May... 4,000 S 38,500 June 3,300 $ 35,000 Print Done ->