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 $ 70,000 38.500 31,500 23.310 $ 8,190 5. If sales decline to 900 units, what would be the net operating income? Netoperating income 7. If the variable cost per unit increases by $1, spending on advertising increases by $1,600, and unit sales increase by 220 units, what would be the net operating Income? Nat operating income 8. What is the break-even point in unit sales? Break-even point units 9. What is the break-even point in dollar sales? Break-even point Net operating income $ 8,190 10. How many units must be sold to achieve a target profit of $18,900? Number of units 11. What is the margin of safety in dollars? What is the margin of safety percentage? Margin of safety in dollars Margin of safety percentage % 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 X 14. Assume that the amounts of the company's total variable expenses and total fixed expenses were reversed. In other words, assume that the total variable expenses are $23,310 and the total fixed expenses are $38,500. Under this scenario and assuming that total sales remain the same, what is the degree of operating leverage? (Round your answer to 2 decimal places.) Dagren of operating leverage 15. Assume that the amounts of the company's total variable expenses and total fixed expenses were reversed. In other words, assume that the total variable expenses are $23,310 and the total fixed expenses are $38,500. 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 %