Starlord. Inc. has two product lines-batting helmets and football helmets. The income statement data for the most recent year is as follows: Total Batting Helmets Football Helmet Sales revenue $1.040.000 $700.000 $340.000 Variable costs (430.000) (150.000) (280.0001 Contribution margin $610.00 $550.000 $60.000 Fixed costs (180.000 190.000 190.000) Operating income (loss) $430.00 $460.000 (30.000 What is the effect of dropping football helmets line on the operating income of the company? (Assume that fixed costs remain unchanged and that there would be no adverse effect on other sales.) Operating income will decrease by 560.000 Operating income will decrease by $340,000 Operating income will increase by $90.000 Operating income will increase by $30.000