2. Macaulay Roller Skates has three product lines-D, E, and F. The following information is available: Sales revenue Variable costs Contribution margin Fixed costs Operating income (loss) D $70,000 (30,000 $40,000 (15,000) $25,000 E $60,000 (10,000) $50,000 (10,000) $40,000 F $31,000 (12,000) $19,000 (24,000) $(5,000) The company is deciding whether to drop product line F because it has an operating loss. Assuming fixed costs are unavoidable, if Macaulay drops product line F and does not replace it, what effect will this have on operating income