Head Bucket, Inc. has two product lines-batting helmets and football helmets. The income statement data for the most recent year is as follows: Sales revenue Variable costs Contribution margin Fixed costs Operating income (loss) Total $950,000 Batting Helmets Football Helmets $600,000 $350,000 (500,000) (200,000) (300,000) $450,000 $400,000 $50,000 (180,000) $270,000 (90,000) $310,000 (90,000) $(40,000) Assuming the football helmet line is dropped, total fixed costs remain unchanged, and the space formerly used to produce the football helmet line is used to double the production of batting helmets, operating income will be A. $400,000 B. $620,000 C. $310,000 D. $180,000