study 1 Chegg.com Assignment G Saved Help Save & Exit Submit Check my work Required information [The following information applies to the questions displayed below.] Oslo Company prepared the following contribution format income statement based on a sales volume of 1,000 units (the relevant range of production is 500 units to 1,500 units): Sales $ 55,000 33,000 22,000 14,960 $ 7,040 Variable expenses Contribution margin Fixed expenses Net operating income s 13. Using the degree of operating leverage, what is the estimated percent increase in net operating income of a 5 % Increase in sales? (Round your Intermediate calculations and final answer to 2 decimal places.) % Increase in net operatingg income of 17 Next> 14 15 13