Data concerning Runnells Corporation's single and sells a product. Data co cerning that product appear below:

	Per Unit	Percent of Sales
Selling price	$150	100%
Variable expenses	60	40%
Contribution margin	$ 90	60%

The company is currently selling 6,100 units per month. Fixed expenses are $493,100 per month. The marketing manager believes that a $6,900 increase in the monthly advertising budget would result in a 110 unit increase in monthly sales. What should be the overall effect on the company's monthly net operating income of this change?