6. Macaulay Roller Skates Company has three product lines (D, E, and F). The following informatio is available: The company is thinking of dropping product line F because it is showing 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? Operating income will increase $5,000. Operating income will decrease $20,000. Operating income will increase $25,000. Operating income will increase $20,000. Operating income will decrease $5,000