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 1500 units) Sales Variable expenses Contribution margin Fixed expenses Net operating income $ 23,000 13,000 10,000 8,500 5 1,500 Required: What is the degree of operating leverage? (Round your answer to 2 decimal places.) Degree of operating leverage