The following information applies to he questions displayed below Data for Hermann Corporation are shown below Per Unit of Seling price Variable expenses s 115 Contribution margin $46 40% Fwed expenses are $83,000 per month and the company is selling 2,500 units per month 3. 100 points 1-a. The marketing manager argues that a $8,800 increase in the monthly advertising budget would increase monthly sales by $19,000. Calculate the increase or decrease in net operating income. 1-b. Should the advertising budget be increase? O No F3 3 5 8 F OH