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 $ 22,700 Variable expenses 12,900 Contribution margin 9,800 Fixed expenses 8,232 Net operating income $ 1,568 Required: If sales increased to 1,001 units, what would be the increase in net operating income? (Round your answer to 2 decimal places.) Increase in net operating income