Marger, Inc -Which of the Following Classifications Best Describes the Behavior of \begin{array}{lrr}
&\text

Marger, Inc., provided the following data for two recent months: $\begin{array}{lrr}&\text { April }&\text {May }\\ \text { Sales in Units.} &3,200&4,500 \\ \text { Cost: } &\\ \text { Cost T} &5,600&5,600 \\ \text {Cost U } &4,480&6,300\\ \text { Cost 'W } & 3,950&5,250\\\end{array}$

-Which of the following classifications best describes the behavior of Cost W?

A) Variable
B) Fixed
C) Mixed
D) None of the above