Pet Food Inc. has two product lines: Cat food and Dog food. Contribution margin income statement data for the most recent year follow:

	Total	Cat Food	Dog Food
Sales revenue	$ 385 comma 000

$ 300 comma 000

$85,000
Variable expenses	$ 63 comma 000

$ 23 comma 000

$40,000
Contribution margin	$ 322 comma 000

$ 277 comma 000

$45,000
Fixed expenses	$ 101 comma 000

$ 49 comma 000

$52,000
Operating income (loss)	$ 221 comma 000

$ 228 comma 000

$(7,000)

Assuming total fixed costs remain unchanged, how would discontinuing the Dog food line affect operating income?