Required Information [The following Information applies to the questions displayed below.] 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 $ 65,000 45,500 19,500 14,040 $ 5,460 7. If the variable cost per unit increases by $1, spending on advertising Increases by $1,550, and unit sales increase by 210 units, what would be the net operating income? Answer is complete but not entirely correct. Net operating income $ 8,160