The Mariachi Company prepared the following contribution format income statement based on a sales volume of 1,200 units (the relevant range of production is 500 units to 2,000 units): Sales 26,400 Variable expenses 18,000 Contribution margin 8,400 Fixed expenses 6,200 Net operating income 2,200 If the selling price increases by $2 per unit and the sales volume decreases by 100 units, what would be the net operating income?