[The following information applies to the questions displayed below.] Data for Hermann Corporation are shown below of Sales 100 % Per Unit 85 Selling price Variable expenses 51 60% $ 34 40% Contribution margin Fixed expenses are $77,000 per month and the company iis selling 2,600 units per month value 0.50 points Required: 1-a. The marketing manager argues that a $8,200 increase the monthly advertising budget would increase monthly sales by $16,000. Calculate the increase or decrease in net operatingg income. Net operating income decreases y