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The following information is available for a company's maintenance cost over the last seven months. Month June July August September October November December Units Produced 90 180 120 150 210 240 60 Maintenance Cost $ 5,070 8,130 6,090 7,110 9,150 10,170 4,050 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 0 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 foxed 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 After-tax income for Square Company is $10,000. Square Company pays 20% in taxes. Square Company's pretax income is Singh Co. reports a contribution margin of $708,000 and fixed costs of $472,000. (1) Compute the company's degree of operating leverage. (2) If sales increase by 20%, what amount of income will Singh Co. expect? Answer is not complete. Degree of operating leverage Percent change in income Amount of income reported 1,180,000 20 %