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

Fixed expenses are $$351,000$ per month. The company is currently selling $4,600$ units per month.

Required:

The marketing manager believes that a $$20,000$ increase in the monthly advertising budget would result in a $200$ unit increase in

monthly sales. What should be the overall effect on the company's monthly net operating income of this change?