Required information The Foundational 15 (Algo) (LO5-1, LO5-3, LO5-4, LO5-5, LO5-6, LO5-7, LOS-8) 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): Balen Variable expenses Contribution margin Fixed expenses Net operating income $ 60,000 39,000 21,000 14,700 $ 6,300 Foundational 5-13 (Algo) 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 het operating Income