Data concerning Lemelin Corporation's single product appear below: Per Unit Percent of Sales Selling price $ 230 100 % Variable expenses 115 50 % Contribution margin $ 115 50 % The company is currently selling 7,000 units per month. Fixed expenses are $581,000 per month. The marketing manager believes that an $11,000 increase in the monthly advertising budget would result in a 100 unit increase in monthly sales. What should be the overall effect on the company's monthly net operating income of this change?