5) A company produces and sells a single product. Data concerning that product appear below:

	Per Unit			Percent of Sales
Selling price	$	100			100	%
Variable expenses		30			30	%
Contribution margin	$	70			70	%

Fixed expenses are $356,000 per month. The company is currently selling 5,100 units per month.

Required:

The marketing manager believes that a $13,000 increase in the monthly advertising budget would result in a 250 unit increase in monthly sales. What should be the overall effect on the company's monthly net operating income of this change?