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 1000 units (the relevant range of production is 500 units to 1.500 units) Sales Variable expenses Contribution margin Fixed expenses Net operating income $ 20,000 12,000 8,000 6.000 $ 2.000 11. What is the margin of safety in dollars? What is the margin of safety percentage? 5 Margin of salety in dollars Margin of safety percentage 5,000 251 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 $ 20,000 12,000 8,000 6,000 $ 2,000 15. Assume that the amounts of the company's total variable expenses and total foxed expenses were reversed. In other words, assume that the total variable expenses are $6,000 and the total fixed expenses are $12,000. Using the degree of operating leverage, what is the estimated percent increase in net operating income of a 5% increase in unit sales? Increase si net operating income %