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 Variable expenses Contribution margin Fixed expenses Net operating income $100,000 65,000 35,000 30, 100 $ 4,900 6. If the selling price increases by $2 per unit and the sales volume decreases by 100 units, what would be the net operating income? Answer is complete but not entirely correct. Net operating income $ 4,900 X 12. What is the degree of operating leverage? (Round your answer to 2 decimal places.) Degree of operating leverage 13. Using the degree of operating leverage, what is the estimated percent increase in net operating income of a 5% increase in unit sales? (Round your intermediate calculations and final answer to 2 decimal places.) Increase in net operating income %