All About Animals 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	$415,000	$330,000	$85,000
Variable expenses	$64,000	$24,000	$40,000
Contribution margin	$351,000	$306,000	$45,000
Fixed expenses	$98,000	$46,000	$52,000
Operating income (loss)	$253,000	$260,000	$(7,000)

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

A.

Decrease in total operating income of $45,000

B.

Increase in total operating income of $208,000

C.

Increase in total operating income of $7,000

D.

Decrease in total operating income of $461,000