Data concerning Bunck Corporation's single product appear below:

Per unitPercent of Sales

Selling price...........................$170100%

Variable expenses.................3420%

Contribution margin...............$13680%

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 500 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 $23,000

increase of $11,200