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 Not operating income $105,000 73.500 31,500 27, 720 $ 3,780 4. If sales increase to 1,001 units, what would be the increase in net operating income? (Round your answer to 2 decimal places.) Answer is complete but not entirely correct. Increase in net operating 8.811.50 income