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. units (the relevant range of production is 500 units to 1,500 units): Sales Variable expenses Contribution margin Fixed expenses Net operating income $ 105,000 73, 500 31, 500 27, 720 $ 3, 780 . If sales increase to 1,001 units, what would be the increase in net operating income? (Round your answer to 2