Data concerning Bunck Corporation's single product appear below: Per Unit Percent of Sales Selling price $170 100% Variable expenses 34 20% Contribution margin $136 80% Fixed expenses are $202,000 per month. The company is currently selling 2,000 units per month. Management is considering using a new component that would increase the unit variable cost by $18. Since the new component would increase the features of the company's product, the marketing manager predicts that monthly sales would increase by 400 units. What should be the overall effect on the company's monthly net operating income of this change? decrease of $47,200 decrease of $11,200 increase of $47,200 increase of $11,200