Shown below is a segmented income statement for Hickory Company's three wooden flooring product lines:

variable costs are relevant.

and sales of the plank line by $20\%.$ All other information remains the same.

Required:

If the parquet product line is dropped, what is the contribution margin for the strip line?

$

For the plank line?

Which alternative $($keep or drop the parquet product line$)$ is now more cost effective and by how much?

$by$ $$55,000$