Required information The Foundational 15 (LO6-1, LO6-3, LO6-4, LO6-5, LO6-6, LO6-7, LO6-8] [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 $ 25,000 17,500 7,500 4,200 $ 3,300 Foundational 6-7 7. If the variable cost per unit increases by $1, spending on advertising increases by $1,150 and unit sales increase by 130 units, what would be the net operating income? Net operating income