7. value: 2.00 points Dybala Corporation's produces and sells a single product. Data concerning that product appear below Percent of Sales Selling price Varlable expenses Contribution margln Per Unit $160 ?) $ 80 50% 50% The company is currently selling 6,200 units per month. Fixed expenses are $440,200 per month. The marketing manager belleves that a $6,800 Increase In the monthly advertising budget would result In a 120 unit Increase in monthly sales. What should be the overall effect on the company's monthly net operating Income of this change? O Increase of $9,600 O Decrease of $2,800 ODecrease of $6.800 O increase of $2.800