Motion Rollerblades Has Three Product Lines-D,E,and F

Motion Rollerblades has three product lines-D,E,and F.The following information is available:

The company is deciding whether to drop product line F because it has an operating loss.Assuming fixed costs are unavoidable,if Motion drops product line F and does not replace it,what effect will this have on operating income?

A) Operating income will increase $2000.
B) Operating income will increase $21,000.
C) Operating income will increase $23,000.
D) Operating income will decrease $21,000.