Required information The Foundational 15 [LO5-1, LO5-3, LO5-4, LO5-5, LO5-6, LO5-7, LO5-8] [The following information applies to the questions displayed below.] sales volume of 1,000 units Oslo Company prepared the following contribution format income statement based on (the relevant range of production is 500 units to 1,500 units): $ 80,000 Sales Variable expenses 52,000 Contribution margin Fixed expenses 28,000 21,840 $ 6,160 Net operating income Foundational 5-7 7. If the variable cost per unit increases by $1, spending on advertising increases by $1,700, and unit sales increase by 240 units, what wo be the net operating income? Net operating income