Kuzio Corporation produces and sells a single product. Data concerning that product appear below: Per Unit Percent of Sales Selling price $ 150 100 % Variable expenses 75 50 % Contribution margin $ 75 50 % The company is currently selling 5,600 units per month. Fixed expenses are $194,000 per month. The marketing manager believes that a $5,300 increase in the monthly advertising budget would result in a 190 unit increase in monthly sales. What should be the overall effect on the company's monthly net operating income of this change? Multiple Choice A. increase of $8,950 B. decrease of $5,300 C. increase of $14,250 D. decrease of $8,950