Use the below Information to answer the following questions. Sales (1,000 units) $ 200,000 110,000 90,000 Variable costs Contribution margin Fixed manufacturing costs Operating income 40,000 50,000 Interest 10,000 Earnings before taxes 40,000 Taxes (30%) 12,000 Net income $ 28,000 Shares Outstanding 1,000 Refer to the table. Answer the following question uitpute the degree of operating leverage (DOL)? (Write your answer to 2 decimal places)