Kuzio Corporation produces and sells a single product. Data concerning that product appear below: Percent of Sales 100% 40% Per Unit $130 52 $ 78 Selling price Variable expenses Contribution margin 60% The company is currently selling 5,000 units per month. Fixed expenses are $216,000 per month. The marketing manager believes that a $7,000 increase in the monthly advertising budget would result in a 180 unit increase in monthly sales. What should be the overall effect on the company's monthly net operating income of this change? Multiple Choice increase of $7,040 increase of $14,040 O decrease of $7,000 O decrease of $7,040