A company produces and sells a single product. Data concerning that product appear below: Percent of Sales 100% Selling price Variable expenses Contribution margin Per Unit $ 250 50 $ 200 20% 80% Fixed expenses are $365,000 per month. The company is currently selling 6,000 units per month. Required: The marketing manager believes that a $22,000 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? Change in net operating income