7. please help thank you

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 $ 40,000 26,000 14,000 8,680 $ 5,320 7. If the variable cost per unit increases by $1, spending on advertising increases by $1,300, and unit sales increase by 160 units, what would be the net operating income? Net operating income