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 12,000 8,000 6,000 2,000 $ Required: If the selling price increased by $2 per unit and the sales volume decreased by 100 units, what would be the net operating income Nel operating income