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

Per UnitPercent of Sales

Selling price$130100%

Variable expenses7860%

Contribution margin$5240%

The company is currently selling 6,000 units per month. Fixed expenses are $263,000 per month. The marketing manager believes that a $5,000 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?