The following information is available for a company's maintenance cost over the last seven months. Month June July August September October November December Maintenance Hours 10 19 11 14 20 Maintenance cost $ 4,550 6,530 4,770 5,430 6,750 7.410 3,450 23 5 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 Change in cost Change in volume Total cost at the high point, Variable costs at the high point: Volume at the high point: Variable cost per maintenance hour 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 maintenance hour Total variable costs at the low point Total fixed costs