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$ 100,000Variable expenses65,000Contribution margin35,000Fixed expenses30,100Net operating income$ 4,900

4. If sales increase to 1,001 units, what would be the increase in net operating income?

Note: Round your answer to 2 decimal places.