The Foundational 15 (Algo) (LO6-1, LO6-3, LO6-4, LO6-5, LO6-6, LO6-7, LO6-8] [The following information applies to the questions displayed below.) Oslo Company prepared the following contribution format Income statement based on a sales volume of 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 13,000 7.000 3,780 $ 3,220 Foundational 6-15 (Algo) 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 $3,780 and the total fixed expenses are $13,000. 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