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$15,000Variable expenses9,000Contribution margin6,000Fixed expenses3,120Net operating income$2,880

6. If the selling price increases by $2 per unit and the sales volume decreases by 100 units, what would be the net operating income?