Please answer the following question and please show detailed steps along with the calculations so I can see how you got to the solution! Thanks!

The following data have been collected for four different cost items.

Cost Item Cost at 100 units Cost at 140 units

W $ 8,000 $10,560 X $ 5,000 $ 5,000 Y $ 6,500 $ 9,100 Z $ 6,700 $ 8,580

Which of the following classifications of these cost items by cost behavior is correct?

Cost W Cost X Cost Y Cost Z A) variable fixed mixed variable B) mixed fixed variable mixed C) variable fixed variable variable D) mixed fixed mixed mixed

Option A

Option B

Option C

Option D