de both the fixed and variable components of its maintenance cost. High-Low method - Calculation of variable cost per maintenance hour 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 cont 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 TA QS 18-3 Cost behavior estimation-high-low method LO P1 The following Information is available for a company's maintenance cost over the last seven months Month June August September October November December Units Produced 90 150 110 140 200 230 se Maintenance Cost $ 3,950 5.758 4,55 5250 6,350 6.95 3,350 Using the high-low method, estimate both the fixed and variable components of its maintenance cost. High-Low method. Calculation of variable cost per maintenance hour AL