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

	Per Unit			Percent of Sales
Selling price	$	160			100	%
Variable expenses		48			30	%
Contribution margin	$	112			70	%

Fixed expenses are $499,000 per month. The company is currently selling 5,000 units per month. The marketing manager would like to cut the selling price by $13 and increase the advertising budget by $33,000 per month. The marketing manager predicts that these two changes would increase monthly sales by 900 units. What should be the overall effect on the company's monthly net operating income of this change?

Multiple Choice

increase of $99,300

decrease of $56,100

decrease of $8,900

increase of $56,100