Assume the following information for a merchandising company:

Number of units sold	20,000
Selling price per unit	$ 30
Variable selling expense per unit	$ 3.9
Variable administrative expense per unit	$ 2.9
Fixed selling expenses	$ 30,000
Fixed administrative expenses	$ 50,000
Beginning merchandise inventory	$ 24,000
Ending merchandise inventory	$ 19,000
Merchandise purchases	$ 340,000

What is the net operating income?