Naurncin Corporation produces and seds a single product. Data concerning that procuct appeir below: Fixed expenses are $170,000 per month. The company is currently selling 1,600 units per month. Requiredt Management is considering using a new component that would increase the unit variable cost by 535 . Since the new compenent would improve the company's product, the marketing manager predicts that monthly sales would increase by 300 units. What should be the overail effect on the companys monthly net operating income of this change it fixed expenses are unaffected? (Negative amounts should be indicated by a minus sign.)