The Following Data Points Are Available $\begin{array}{ll}\text { Units }&\text { Costs }\\600 & \$ 560 \\650 & \$ 565 \\800 & \$ 580 \\900 & \$ 590\end{array}$

Multiple Choice

The following data points are available.This is an example of a ________ cost.
$\begin{array}{ll}\text { Units }&\text { Costs }\\600 & \$ 560 \\650 & \$ 565 \\800 & \$ 580 \\900 & \$ 590\end{array}$

A) variable
B) fixed
C) mixed
D) none of the above