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 $ 95,000 57,000 38,000 31,920 $ 6,080 7. If the variable cost per unit increases by S1, spending on advertising increases by $1,850, and unit sales increase by 270 units, what would be the net operating income? Net operating income