Kuzio Corporation produces and sells a single product. Data concerning that product appear below. Selling price Variable expenses Contribution margin Per Unit $160 80 $ 80 Percent of Sales 1008 50% 508 The company is currently selling 6,400 units per month. Fixed expenses are $217,000 per month. The marketing manager believes that a $7100 increase in the monthly advertising budget would result in a 160 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 $5.700 Increase of $12,800 Multiple Choice Increase of $5.700 Increase of $12,800 decrease of $7.100 decrease of $5,700