please show work! that is the correct answer! having trouble understanding. thank you in advance

Houpe Corporation produces and sells a single product. Data concerning that product appear below: Fixed expenses are $490,000 per month. The company is currently selling 6,000 units per month. Management is considering using a new component that would increase the unit variabie cost by $5. Since the new component would increase the features of the company's product, the marketing manager predicts that monthly sales would increase by 300 units. What should be the overall effect on the company's monthly net operating income of this change? Multiple Choice increase of $2,100 decrease of $27,900 decrease of $2,100 increase of $27,900