Data concerning Phung Corporation's single product appear below:

sales per unit 230

variable expense per unit 92

Fixed expenses are $991,000 per month. The company is currently selling 8,000 units per month.

Required:

The marketing manager believes that a $23,000 increase in the monthly advertising budget would result in a 190 unit increase in monthly sales. What should be the overall effect on the company's monthly net operating income of this change

-5520

3220

none of the above