Pong Incorporated's income statement for the most recent month is given below.

	Total	Store G	Store H
Sales	$158,300	$63,100	$95,200
Variable expenses	53,767	30,919	22,848
Contribution margin	104,533	32,181	72,352
Traceable fixed expenses	68,400	17,000	51,400
Segment margin	36,133	$15,181	$20,952
Common fixed expenses	22,100
Net operating income	$ 14,033

If Store G sales increase by $46,200 with no change in fixed costs, the overall company net operating income should:

	increase by $28,182
	increase by $23,562
	increase by $4,620
	increase by $9,240