The management of Sales (36,000 units) Variable expenses Contribution margin Fixed expenses Net operating income reported the following contribution format income statement for last month: Total $ 216,000 108,000 108,000 48,000 $ 60,000 Per Unit $ 6.00 3.00 $ 3.00 How much net operating income does expect to earn if the selling price per unit increases by 20%, variable expenses increase by 30 cents per unit, and the number of units sold decreases by 12%? O $ 90,152 O $ 29,760 O $78,360 O $ 75,552