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 Net operating Income $ 70,000 38,500 31,500 23,310 $ 8,190 5. If sales decline to 900 units, what would be the net operating income? Not operating income