The following information is available for a company's maintenance cost over the last seven months. Maintenance Cost Month Units Produced June July 100 160 August 120 September 150 October 210 November December 240 60 $ 3,950 5,390 4,110 4,590 5,550 6,030 3,150 Using the high-low method, estimate both the fixed and variable components of its maintenance cost. Total cost at the high point Variable costs at the high point: Volume at the high point: Variable cost per unit produced Total variable costs at the high point Total fixed costs Total cost at the low point Variable costs at the low point: Volume at the low point: Variable cost per unit produced Total variable costs at the low point Total fixed costs High-Low method - Calculation of variable cost per maintenance hour 0