Bethard Corporation produces and sells a single product. Data concerning that product appear below: Percent of Per Unit Sales Selling price Variable expenses $120 100% 20% 24 Contribution margin 96 80% Fixed expenses are $354,000 per month. The company is currently selling 5,000 units per month Required: The marketing manager would like to cut the selling price by $8 and increase the advertising budget by $23,000 per month. The marketing manager predicts that these two changes would increase monthly sales by 600 units. What should be the overall effect on the company's monthly net operating income of this change