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 Maintenance Cost 9 $ 4,590 18 7, 110 12 5, 430 15 6,270 21 7,950 24 8,790 6 3,750 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 Cost at high point minus cost at low point $ 5.040 Volume at high point minus volume at low point 18 Variable cost per maintenance hour $ 280.00 $ 8.790.00 120960 hours 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