Motion Rollerblades Has Three Product Lines-D,E,and F The Company Is Deciding Whether to Drop Product Line F

Motion Rollerblades has three product lines-D,E,and F.The following information is available: $$\begin{array} { | l | c | c | c | } \hline & \mathrm { D } & \mathrm { E } & \mathrm { F } \\\hline \text { Sales revenue } & \$ 90,000 & \$ 40,000 & \$ 31,000 \\\\\hline \text { Variable costs } & \underline { ( 40,000 } & \underline { ( 15,000 } ) & \underline { ( 10,000 } ) \\\\\hline \text { Contribution margin } & \$ 50,000 & \$ 25,000 & \$ 21,000 \\\\\hline \text { Fixed costs } & \underline { ( 20,000 } & \underline { ( 15,000 } ) & \underline { ( 23,000 } ) \\\\\hline \text { Operating income (loss) } & \underline { \$ 30,000} & \underline { \$ 10,000} & \underline { \$ ( 2000 ) } \\\\\hline\end{array}$$ 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.