2. Data concerning Varin Corporation's single product appear below: Percent of Sales 100% Per Unit $150 Contribution margin $60 40% Fixed expenses are $106,000 per month. The company is currently selling 2,000 units per month. The marketing manager would like to cut the selling price by $15 and increase the advertising budget by $5,000 per month. The marketing manager predicts that these two changes would increase monthly sales by 800 units. What should be the overall effect on the company's monthly net operating income of this change? A. increase of $31,000 B. decrease of $31,000 C. increase of $1 03,000 D. increase of $1,000