Kuzio Corporation produces and sells a single product. Data concerning that product appear below: Selling price Variable expenses Contribution margin Percent of Per Unit Sales $ 130 100% 65 $ 65 50% 50% The company is currently selling 6,000 units per month. Fixed expenses are $214,000 per month. The marketing manager believes that a $7,200 increase in the monthly advertising budget would result in a 140 unit increase in monthly sales. What should be the overall effect on the company's monthly net operating income of this change?