$ Por Unit 250 59 Selling price Variable expenses Contribution margin 191 The company is currently selling 9,000 units per month. Fixed expenses are $870,000 per month. The marketing manager would like to cut the selling price by $33 and increase advertising spending by $75,000 per month. The marketing manager predicts these changes would increase monthly sales quantity by 25% What would be the overall effect on the 2 company's monthly net operating income of change? (Note: A POSITIVE number indicates an INCREASE in net operating Income, and a NEGATIVE number indicates a DECREASE in net operating income) Multiple Choice 44,768 dollars 13,680 dollars - 16,500 dollars O 10,762 dollars