Dybala Corporation produces and sells a single product. Data concerning that product appear below:

	Per Unit				Percent of Sales
Selling price	$	120				100	%
Variable expenses		72				60	%
Contribution margin		48				40	%

The company is currently selling 5,160 units per month. Fixed expenses are $230,000 per month. The marketing manager believes that a $6,800 increase in the monthly advertising budget would result in a 250 unit increase in monthly sales. What should be the overall effect on the company's monthly net operating income of this change?