Question $1(2\mathrm{.}5$ points$)$ Retake question

Which of the following is true regarding the single$-$rate method $($method A$)$ and dual$-$

rate cost allocation method $($method B$)?$

B separates a production department's costs into fixed and variable costs.

B separates a support department's costs into fixed and variable costs.

A separates a support department's costs into fixed and variable costs.

A separates a production department's costs into fixed and variable costs.