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$ 55,000Variable expenses33,000Contribution margin22,000Fixed expenses14,960Net operating income$ 7,0405. If sales decline to 900 units, what would be the net operating income? (Round "Per Unit" calculations to 2 decimal places.)