Kuzio Corporation produces and sells a single product. Data concerning that product appear below:

$\backslash$table$[[,$Percent of$],[$Selling price,Per Unit,Sales,$],[$Variable expenses,$$140,100\%,],[$Contribution margin,$84,60\%,],[,,,]]$

The company is currently selling $4,800$ units per month. Fixed expenses are $$209,000$ per month. The marketing manager believes that a $$7,400$ increase in the monthly advertising budget would result in a $170$ unit increase in monthly sales. What should be the overall effect on the company's monthly net operating income of this change?

Multiple Choice

decrease of $$7,400$

decrease of $$2,120$

increase of $$2,120$

increase of $$9,520$