Oslo Company prepared the following contribution format income statement based on a sales volume of 1000 unts the relevant range of production is 500 units to 1,500 units): Sales $ 23,600 Variable expenses 13,200 Contribution margin 10,400 Fixed expenses 7,592 Net operating income $ 2,808 Required: If the variable cost per unit increased by $1.20, spending on advertising increased by $1,700, and unit sales increased by 250 um what would be the net operating income? (Do not round intermediate calculations.) Net operating income